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WS255 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The PARTS KIT,ENGINE WATER PUMP is a the manufacturer industrial component. Key specifications include nonsupply_items_and_quantities: IMPELLER 1,BEARING ASSEMBLY 1,SHAFT 1,FLANGE 1,PAPER GASKET 2. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2930-00-010-0490, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
WS255
NSN: 2930-00-010-0490
FSC: 2930
CAGE: 31033 — TRW INC TRW INTL TRADE GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
component_quantity6
nonsupply_items_and_quantitiesIMPELLER 1,BEARING ASSEMBLY 1,SHAFT 1,FLANGE 1,PAPER GASKET 2
NSN2930-00-010-0490
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PARTS KIT,ENGINE WATER PUMP TITLE COMPONENT PN WS255 MFR PARTS KIT,ENGINE WATER
KEY FEATURES
•
NONSUPPLY ITEMS AND QUANTITIES: IMPELLER 1,BEARING ASSEMBLY 1,SHAFT 1,FLANGE 1,PAPER GASKET 2
•
COMPONENT QUANTITY: 6
TECHNICAL CHARACTERISTICS (FLIS)
NONSUPPLY ITEMS AND QUANTITIESIMPELLER 1,BEARING ASSEMBLY 1,SHAFT 1,FLANGE 1,PAPER GASKET 2
COMPONENT QUANTITY6
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
17398Interchangeable
interchangeable cross-reference
interchangeable
1889527 1/2 INInterchangeable
interchangeable cross-reference
interchangeable
6811Interchangeable
interchangeable cross-reference
interchangeable
5467429Interchangeable
interchangeable cross-reference
interchangeable
D3UZ2128BInterchangeable
interchangeable cross-reference
interchangeable
SMS-H59687A5-5-4-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WS255?
WS255 is a PARTS KIT,ENGINE WATER PUMP.
What parts can replace WS255?
There are 12 known substitutes for WS255: 17398, 1889527 1/2 IN, 6811 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for WS255?
WS255 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2930-00-010-0490. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026