RX-PR price and stock

RX-PR Details
Register or Sign In to sort your Preferred Distributors to the top of the list!

Authorized Distributors

  • Abracon
  • Analog Devices Inc
  • Arrow
  • Avnet
  • Avnet Americas
  • Bisco
  • Braemac Americas-Symmetry
  • Coilcraft
  • ComSIT USA
  • Cytech Systems Limited
  • DB Roberts
  • DigiKey
  • Dynamic Solutions
  • ECCO
  • Fairview Microwave
  • FDH Electronics
  • Flip Electronics
  • Future Electronics
  • GLYN
  • Heilind Americas
  • Interstate Connecting
  • L-com US
  • Maritex
  • Master Electronics
  • Microchip Technology
  • Mouser
  • NAC
  • New Advantage
  • Newark
  • NXP
  • Onlinecomponents.com
  • Pasternack Enterprises
  • PEI Genesis
  • Perfect Parts
  • Powell Electronics
  • PUI
  • RECOM Power
  • Relay Specialties
  • Richardson RFPD
  • Rochester
  • RS
  • Rutronik
  • Sager
  • Samtec
  • SiTime Corporation
  • STMicroelectronics
  • TE Connectivity
  • Teledyne HiRel
  • TME
  • TTI
  • Venkel Ltd.
  • Verical
  • Waytek, Inc.
  • Wuhan P&S

Independent Distributors

  • ADMATI Agencies
  • Ameya
  • Bristol
  • Chip 1 Exchange
  • Chip Stock
  • Chip-Germany GmbH
  • Component Electronics, Inc
  • Futuretech Components
  • Greenchips
  • IBS Electronics
  • LCSC
  • MacroQuest
  • Neutron USA
  • NexGen Digital
  • Quest
  • Sense Electronic
  • Sensible Micro Corp
  • Shengyu Electronics
  • Unikey Electronic
  • Vyrian
  • Win Source Electronics
Show Filters
Select Manufacturer

Update Alert Settings for: RX-PR

Select Manufacturer
Which Manufacturer of RX-PR would you like to use for your alert(s)?
  • Please alert me when RX-PR inventory levels are or equal to a quantity of from one of my selected distributors.
  • Also alert me for RX-PR alternates
    An alert is already set for the following part(s): . Any existing alert will be overwritten and set as a new alert.
No pricing information is available at this time
  • Please alert me when the single part price for RX-PR to
    $
    for at least parts from one of my selected distributors.
    Your Pricing Alert is set to expire on .
    Set this alert to expire in Update this alert to expire · Expired on
  • Also alert me for RX-PR alternates
    An alert is already set for the following part(s): . Any existing alert will be overwritten and set as a new alert.

Your part alert has been saved!

Alerts are triggered based off of individual distributors that you choose. Select your distributor(s) below.

Your part alert has been saved!

Register
Password Guidelines

Is at least 8 characters in length

Is at most 256 characters in length

Must include at least 3 of the following:

One lower-case character (a-z)

One upper-case character (A-Z)

One numeric character (0-9)

One special character (!#$%^&*)

Alert is successfully saved for RX-PR.
Looks like you've reached your alert limit!  Please delete some alerts or contact us if you need help.
arrow upTOP
Price includes all import duties and tariffs for applicable products

Newark ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
ATMBUSADAPTER-XPRO DISTI # 22AC2906
Microchip Technology Inc Extension Board, Xplained Pro Eval Brd, |Microchip Technology ATMBUSADAPTER-XPRO RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Bulk ATMBUSADAPTER-XPRO Part Details 3
  • 1 $24.0200
$24.0200 Buy Now ATMBUSADAPTER-XPRO Part Details

DigiKey ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
TPS22992RXPR DISTI # 296-TPS22992RXPRCT-ND
Texas Instruments 5.5-V, 6-A, 10-M LOAD SWITCH WIT Min Qty: 1 Container: Cut Tape TPS22992RXPR Part Details 1461
Cut Tape
  • 1000 $0.2689
  • 500 $0.2800
  • 250 $0.2935
  • 100 $0.3158
  • 25 $0.3628
  • 10 $0.4050
  • 1 $0.5800
$0.2689 / $0.5800 Buy Now TPS22992RXPR Part Details
ATMBUSADAPTER-XPRO DISTI # ATMBUSADAPTER-XPRO-ND
Microchip Technology Inc MIKROBUS TO XPLAINED PRO ADAPTER Min Qty: 1 Container: Bulk ATMBUSADAPTER-XPRO Part Details 14
Bulk
  • 1 $25.5100
$25.5100 Buy Now ATMBUSADAPTER-XPRO Part Details
ATBTLC1000ZR-XPRO DISTI # ATBTLC1000ZR-XPRO-ND
Microchip Technology Inc BTLC1000-ZR110CA MODULE BASED XP Min Qty: 1 Container: Bulk ATBTLC1000ZR-XPRO Part Details 9
Bulk
  • 1 $32.0300
$32.0300 Buy Now ATBTLC1000ZR-XPRO Part Details
IDRX-PR DISTI # 5880-IDRX-PR-ND
Omega Engineering DIN RAIL SIGNAL CONDITIONER, PRO Min Qty: 1 Container: Bulk IDRX-PR Part Details 0
Bulk
  • 1 $592.8100
$592.8100 Buy Now IDRX-PR Part Details
RX-PRVM3 DISTI # 1110-4431-ND
Panasonic Electronic Components SENSOR OPTICAL MODULE WIRE LEADS Container: Box RX-PRVM3 Part Details 0
Box
  Buy Now RX-PRVM3 Part Details
RX-PRVM3-C5 DISTI # RX-PRVM3-C5-ND
Panasonic Electronic Components SENSOR OPTICAL MODULE WIRE LEADS Container: Box RX-PRVM3-C5 Part Details 0
Box
  Buy Now RX-PRVM3-C5 Part Details
3G3AX-RX-PRT-E DISTI # 236-3G3AX-RX-PRT-E-ND
OMRON Industrial Automation 3G3RX OPTION PROFIBUS DP Min Qty: 1 Container: Box 3G3AX-RX-PRT-E Part Details 0
Box
  • 1 $589.5100
$589.5100 Buy Now 3G3AX-RX-PRT-E Part Details

View all 'RX-PR' results from DigiKey

Mouser Electronics ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
TPS22992RXPR DISTI # 595-TPS22992RXPR
Texas Instruments Power Switch ICs - Power Distribution 5.5-V 6-A 8.7-m&Om e ga, load switch wit RoHS: Compliant TPS22992RXPR Part Details 9044
  • 1 $0.5800
  • 10 $0.4050
  • 25 $0.3630
  • 100 $0.3160
  • 250 $0.2940
  • 500 $0.2800
  • 1000 $0.2690
  • 3000 $0.2550
  • 6000 $0.2480
$0.2480 / $0.5800 Buy Now TPS22992RXPR Part Details
ATMBUSADAPTER-XPRO DISTI # 556-MBUSADAPTERXPRO
Microchip Technology Inc Sockets & Adapters mikroBUS adapter RoHS: Compliant ATMBUSADAPTER-XPRO Part Details 6
  • 1 $24.5000
$24.5000 Buy Now ATMBUSADAPTER-XPRO Part Details

RS (Formerly Allied Electronics & Automation)

Part # Manufacturer Description Stock Price Price Range Buy
Phoenix Contact SOFTWARE PACKAGE FOR PC-BASED AUTOMATION SOLUTIONS, PC WORX PRO LIC Min Qty: 1 Package Multiple: 1 Lead time: 3 Weeks, 0 Days Container: Bulk 2985385 (PC WORX PRO... Part Details 1
  • 1 $3,813.4500
$3,813.4500 Buy Now 2985385 (PC WORX PRO... Part Details
IDRX-PR DISTI # 75019930
Omega Engineering SIGNAL COND / TRANS, DIN RAIL SIGNAL CONDITIONERS Min Qty: 1 Package Multiple: 1 Lead time: 4 Weeks, 0 Days Container: Bulk IDRX-PR Part Details 0
  • 1 $785.2800
  • 3 $714.6000
$714.6000 / $785.2800 RFQ IDRX-PR Part Details
RX-PRVM3 DISTI # 70669398
Panasonic Electronic Components RETRO REFLECTIVE DIE-CAST RED LED DC12-24V NPN Min Qty: 1 Package Multiple: 1 Container: Bulk RX-PRVM3 Part Details 0
  • 1 $218.4300
  • 5 $205.3200
  • 10 $198.7700
$198.7700 / $218.4300 RFQ RX-PRVM3 Part Details
RX-PRVM3-C5 DISTI # 70669399
Panasonic Electronic Components RETRO REFLECTIVE DIE-CAST RED LED DC12-24V NPN 5M CABLE Min Qty: 1 Package Multiple: 1 Container: Bulk RX-PRVM3-C5 Part Details 0
  • 1 $234.1200
  • 5 $220.0700
  • 10 $213.0500
$213.0500 / $234.1200 RFQ RX-PRVM3-C5 Part Details
3G3AXRXPRTE DISTI # 75590396
OMRON Industrial Automation 3G3RX OPTION, PROFIBUS DP Min Qty: 1 Package Multiple: 1 Lead time: 8 Weeks, 0 Days Container: Bulk 3G3AXRXPRTE Part Details 0
  • 1 $681.7500
$681.7500 RFQ 3G3AXRXPRTE Part Details

View all 'RX-PR' results from RS

Microchip Technology Inc Manufacturer Direct – Inventory Available for Immediate and Future Delivery

Part # Manufacturer Description Stock Price Price Range Buy
ATMBUSADAPTER-XPRO DISTI # ATMBUSADAPTER-XPRO
Microchip Technology Inc mikroBUS adapter, Projected EOL: COO: China, Malaysia, Vietnam ECCN: EAR99 Lead time: 12 Weeks, 0 Days ATMBUSADAPTER-XPRO Part Details In Stock: 531 and Alternates Available
  • 1 $24.0200
$24.0200 Buy Now ATMBUSADAPTER-XPRO Part Details
ATXPANDER-XPRO DISTI # ATXPANDER-XPRO
Microchip Technology Inc XPANDER-XPRO, Projected EOL: COO: Malaysia ECCN: EAR99 Lead time: 12 Weeks, 0 Days ATXPANDER-XPRO Part Details In Stock: 270 and Alternates Available
  • 1 $27.8200
$27.8200 Buy Now ATXPANDER-XPRO Part Details

Onlinecomponents.com ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
IDEC Corporation   RoHS: Compliant S300-PR-1-C06-RX Part Details 0
  • 100 $169.4500
  • 50 $173.9100
  • 20 $176.2300
  • 10 $181.0500
  • 5 $183.5700
  • 1 $188.8100
$169.4500 / $188.8100 Buy Now S300-PR-1-C06-RX Part Details
IDEC Corporation   RoHS: Compliant S300-PR-1-B01-RX Part Details 0
  • 100 $151.6200
  • 50 $155.6000
  • 20 $161.5900
  • 10 $162.0000
  • 5 $164.2500
  • 1 $168.9400
$151.6200 / $168.9400 Buy Now S300-PR-1-B01-RX Part Details
IDEC Corporation   RoHS: Compliant S300-PR-1-M01-RX Part Details 0
  • 100 $190.5300
  • 50 $195.5400
  • 20 $198.1500
  • 10 $203.5700
  • 5 $206.4000
  • 1 $212.3000
$190.5300 / $212.3000 Buy Now S300-PR-1-M01-RX Part Details
IDEC Corporation   RoHS: Compliant S300-PR-1-M06-RX Part Details 0
  • 100 $214.0400
  • 50 $219.6700
  • 20 $222.6000
  • 10 $228.7000
  • 5 $231.8700
  • 1 $238.5000
$214.0400 / $238.5000 Buy Now S300-PR-1-M06-RX Part Details
IDEC Corporation   RoHS: Compliant S300-PR-1-B06-RX Part Details 0
  • 100 $175.1300
  • 50 $179.7400
  • 20 $182.1300
  • 10 $187.1200
  • 5 $189.7200
  • 1 $195.1400
$175.1300 / $195.1400 Buy Now S300-PR-1-B06-RX Part Details
IDEC Corporation   RoHS: Compliant S300-PR-1-F01-RX Part Details 0
  • 100 $139.4600
  • 50 $143.1300
  • 20 $148.6400
  • 10 $149.0100
  • 5 $151.0800
  • 1 $155.4000
$139.4600 / $155.4000 Buy Now S300-PR-1-F01-RX Part Details
IDEC Corporation   RoHS: Compliant S300-PR-1-F06-RX Part Details 0
  • 100 $162.9600
  • 50 $167.2500
  • 20 $169.4800
  • 10 $174.1200
  • 5 $176.5400
  • 1 $181.5900
$162.9600 / $181.5900 Buy Now S300-PR-1-F06-RX Part Details
IDEC Corporation   RoHS: Compliant S300-PR-1-C01-RX Part Details 0
  • 100 $145.9400
  • 50 $149.7800
  • 20 $155.5400
  • 10 $155.9300
  • 5 $158.1000
  • 1 $162.6100
$145.9400 / $162.6100 Buy Now S300-PR-1-C01-RX Part Details
IDEC Corporation   RoHS: Compliant S300-PR-1-B06-RX-M Part Details 0
  • 100 $211.6200
  • 50 $217.1800
  • 20 $220.0800
  • 10 $226.1100
  • 5 $229.2500
  • 1 $235.8000
$211.6200 / $235.8000 Buy Now S300-PR-1-B06-RX-M Part Details
IDEC Corporation   RoHS: Compliant S300-PR-1-M06-RX-M Part Details 0
  • 20 $260.5600
  • 10 $267.7000
  • 5 $270.7400
  • 3 $271.4100
  • 1 $279.1700
$260.5600 / $279.1700 Buy Now S300-PR-1-M06-RX-M Part Details
IDEC Corporation   RoHS: Compliant S300-PR-1-C06-RX-M Part Details 0
  • 100 $205.1300
  • 50 $210.5200
  • 20 $213.3300
  • 10 $219.1800
  • 5 $222.2200
  • 1 $228.5700
$205.1300 / $228.5700 Buy Now S300-PR-1-C06-RX-M Part Details
IDEC Corporation   RoHS: Compliant S300-PR-1-F06-RX-M Part Details 0
  • 100 $199.4500
  • 50 $204.7000
  • 20 $207.4300
  • 10 $213.1100
  • 5 $216.0700
  • 1 $222.2400
$199.4500 / $222.2400 Buy Now S300-PR-1-F06-RX-M Part Details

View all 'RX-PR' results from Onlinecomponents.com

Avnet Americas Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
IDRX-PR DISTI # IDRX-PR
Omega Engineering PROGRAMMABLE SIGNAL CONDITIONERS/TRANSMITTERS - Bulk (Alt: IDRX-PR) COO: United States of America (the) RoHS: Not Compliant Min Qty: 1 Package Multiple: 1 Lead time: 13 Weeks, 0 Days Container: Bulk IDRX-PR Part Details 0
  • 1 $549.9100
$549.9100 Buy Now IDRX-PR Part Details
ATMBUSADAPTER-XPRO DISTI # ATMBUSADAPTER-XPRO
Microchip Technology Inc MikroBUS Xplained Pro Extension Board for Xplained Pro MCU Evaluation Platform - Boxed Product (Development Kits) (Alt: ATMBUSADAPTER-XPRO) COO: China RoHS: Compliant Min Qty: 5 Package Multiple: 1 Container: Box ATMBUSADAPTER-XPRO Part Details 0
  • 80 $23.2672
  • 40 $23.4679
  • 20 $23.6747
  • 10 $23.8797
  • 5 $24.0826
$23.2672 / $24.0826 Buy Now ATMBUSADAPTER-XPRO Part Details

TME ECIA Member • Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
ATBTLC1000ZR-XPRO DISTI # ATBTLC1000ZR-XPRO
Microchip Technology Inc XPRO module, Bluetooth, 3.3VDC, expansion board Min Qty: 1 ATBTLC1000ZR-XPRO Part Details 8
  • 1 $7.6000
$7.6000 Buy Now ATBTLC1000ZR-XPRO Part Details
ATMBUSADAPTER-XPRO DISTI # ATMBUSADAPTER-XPRO
Microchip Technology Inc XPRO module, interface, 3.3VDC,5VDC, expansion board Min Qty: 1 ATMBUSADAPTER-XPRO Part Details 0
  • 1 $28.2000
$28.2000 RFQ ATMBUSADAPTER-XPRO Part Details

Sager ECIA (NEDA) Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
RA901-VB-R-1-R-XPR1 DISTI # 000000000000327994
Carling Technologies Rocker Switches RA901-VB-R-1-R-XPR1 Part Details 0   Buy Now RA901-VB-R-1-R-XPR1 Part Details
3G3AX-RX-PRT-E DISTI # 000000000005959158
OMRON Electronic Components Motor Controllers 3G3RX option, PROFIBUS DP 3G3AX-RX-PRT-E Part Details 0   Buy Now 3G3AX-RX-PRT-E Part Details

Richardson RFPD Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
ATMBUSADAPTER-XPRO DISTI # ATMBUSADAPTER-XPRO
Microchip Technology Inc microbus" Explained Pro RoHS: Compliant Min Qty: 5 ATMBUSADAPTER-XPRO Part Details 0
  • 19 $27.4100
$27.4100 Buy Now ATMBUSADAPTER-XPRO Part Details
ATBTLC1000ZR-XPRO DISTI # ATBTLC1000ZR-XPRO
Microchip Technology Inc ATBTLC1000-ZR110CA Bluetooth Extension Board RoHS: Compliant Min Qty: 5 ATBTLC1000ZR-XPRO Part Details 0   RFQ ATBTLC1000ZR-XPRO Part Details

NAC ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
Microchip Technology Inc mikroBUS adapter. Package: ELMCU Tools - DEVELOPMENT SYSTEMS Product Line RoHS: Compliant Min Qty: 1 Package Multiple: 1 ATMBUSADAPTER-XPRO Part Details 49
  • 1 $29.1600
  • 5 $26.8600
  • 10 $25.5100
$25.5100 / $29.1600 Buy Now ATMBUSADAPTER-XPRO Part Details
Microchip Technology Inc   RoHS: Compliant Min Qty: 1 Package Multiple: 1 ATSAMB11ZR-XPRO Part Details 0   RFQ ATSAMB11ZR-XPRO Part Details
Microchip Technology Inc BTLC1000ZR-XPRO - Package: WSG Tools RoHS: Compliant Min Qty: 1 Package Multiple: 1 ATBTLC1000ZR-XPRO Part Details 0   RFQ ATBTLC1000ZR-XPRO Part Details

Master Electronics ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
IDEC Corporation   RoHS: Compliant S300-PR-1-C06-RX Part Details 0
  • 100 $169.4500
  • 50 $173.9100
  • 20 $176.2300
  • 10 $181.0500
  • 5 $183.5700
  • 1 $188.8100
$169.4500 / $188.8100 Buy Now S300-PR-1-C06-RX Part Details
IDEC Corporation   RoHS: Compliant S300-PR-1-B01-RX Part Details 0
  • 100 $151.6200
  • 50 $155.6000
  • 20 $161.5900
  • 10 $162.0000
  • 5 $164.2500
  • 1 $168.9400
$151.6200 / $168.9400 Buy Now S300-PR-1-B01-RX Part Details
IDEC Corporation   RoHS: Compliant S300-PR-1-M01-RX Part Details 0
  • 100 $190.5300
  • 50 $195.5400
  • 20 $198.1500
  • 10 $203.5700
  • 5 $206.4000
  • 1 $212.3000
$190.5300 / $212.3000 Buy Now S300-PR-1-M01-RX Part Details
IDEC Corporation   RoHS: Compliant S300-PR-1-M06-RX Part Details 0
  • 100 $214.0400
  • 50 $219.6700
  • 20 $222.6000
  • 10 $228.7000
  • 5 $231.8700
  • 1 $238.5000
$214.0400 / $238.5000 Buy Now S300-PR-1-M06-RX Part Details
IDEC Corporation   RoHS: Compliant S300-PR-1-B06-RX Part Details 0
  • 100 $175.1300
  • 50 $179.7400
  • 20 $182.1300
  • 10 $187.1200
  • 5 $189.7200
  • 1 $195.1400
$175.1300 / $195.1400 Buy Now S300-PR-1-B06-RX Part Details
IDEC Corporation   RoHS: Compliant S300-PR-1-F01-RX Part Details 0
  • 100 $139.4600
  • 50 $143.1300
  • 20 $148.6400
  • 10 $149.0100
  • 5 $151.0800
  • 1 $155.4000
$139.4600 / $155.4000 Buy Now S300-PR-1-F01-RX Part Details
IDEC Corporation   RoHS: Compliant S300-PR-1-F06-RX Part Details 0
  • 100 $162.9600
  • 50 $167.2500
  • 20 $169.4800
  • 10 $174.1200
  • 5 $176.5400
  • 1 $181.5900
$162.9600 / $181.5900 Buy Now S300-PR-1-F06-RX Part Details
IDEC Corporation   RoHS: Compliant S300-PR-1-C01-RX Part Details 0
  • 100 $145.9400
  • 50 $149.7800
  • 20 $155.5400
  • 10 $155.9300
  • 5 $158.1000
  • 1 $162.6100
$145.9400 / $162.6100 Buy Now S300-PR-1-C01-RX Part Details
IDEC Corporation   RoHS: Compliant S300-PR-1-B06-RX-M Part Details 0
  • 100 $211.6200
  • 50 $217.1800
  • 20 $220.0800
  • 10 $226.1100
  • 5 $229.2500
  • 1 $235.8000
$211.6200 / $235.8000 Buy Now S300-PR-1-B06-RX-M Part Details
IDEC Corporation   RoHS: Compliant S300-PR-1-M06-RX-M Part Details 0
  • 20 $260.5600
  • 10 $267.7000
  • 5 $270.7400
  • 3 $271.4100
  • 1 $279.1700
$260.5600 / $279.1700 Buy Now S300-PR-1-M06-RX-M Part Details
IDEC Corporation   RoHS: Compliant S300-PR-1-C06-RX-M Part Details 0
  • 100 $205.1300
  • 50 $210.5200
  • 20 $213.3300
  • 10 $219.1800
  • 5 $222.2200
  • 1 $228.5700
$205.1300 / $228.5700 Buy Now S300-PR-1-C06-RX-M Part Details
IDEC Corporation   RoHS: Compliant S300-PR-1-F06-RX-M Part Details 0
  • 100 $199.4500
  • 50 $204.7000
  • 20 $207.4300
  • 10 $213.1100
  • 5 $216.0700
  • 1 $222.2400
$199.4500 / $222.2400 Buy Now S300-PR-1-F06-RX-M Part Details

View all 'RX-PR' results from Master Electronics

Win Source Electronics  

Part # Manufacturer Description Stock Price Price Range Buy
Texas Instruments 5.5-V, 6-A, 10-M LOAD SWITCH WIT / Power Switch/Driver 1:1 N-Channel 6A 8-WQFN-HR (1.5x1.25) TPS22992RXPR Part Details 23830
  • 1160 $0.2903
  • 865 $0.3238
  • 670 $0.3349
  • 490 $0.3461
  • 315 $0.3573
  • 130 $0.4353
$0.2903 / $0.4353 Buy Now TPS22992RXPR Part Details

Vyrian  

Part # Manufacturer Description Stock Price Price Range Buy
Texas Instruments Power Supply Support Circuit, Fixed, 1 Channel, 0.45, PQCC8 TPS22992RXPR Part Details 6012   RFQ TPS22992RXPR Part Details

Chip Stock  

Part # Manufacturer Description Stock Price Price Range Buy
Texas Instruments 5.5V 6A 8.7mΩ load switch with adjustable rise time and adjustable output discharge 8-WQFN-HR -40 to 125 TPS22992RXPR Part Details 38750   RFQ TPS22992RXPR Part Details

Associated Part Details

Most Popular Linear Position Sensors

Most Popular Part Numbers