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PartsTable / COMPONENT / R-919 PIECE 4
R-919 PIECE 4 ✓ 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 RING,WEARING is a the manufacturer industrial component. Key specifications include end_item_identification: CENTRIFUGAL PUMP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-01-290-0183, 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
R-919 PIECE 4
NSN: 4320-01-290-0183
FSC: 4320
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
end_item_identificationCENTRIFUGAL PUMP
NSN4320-01-290-0183
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,WEARING TITLE COMPONENT PN R-919 PIECE 4 MFR RING,WEARING
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONCENTRIFUGAL PUMP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
SS20829BInterchangeable
interchangeable cross-reference
interchangeable
54064Interchangeable
interchangeable cross-reference
interchangeable
B-3353Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R-919 PIECE 4?
R-919 PIECE 4 is a RING,WEARING.
What parts can replace R-919 PIECE 4?
There are 3 known substitutes for R-919 PIECE 4: SS20829B, 54064, B-3353. Substitute compatibility should be verified for your specific system.
What is the NSN for R-919 PIECE 4?
R-919 PIECE 4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-01-290-0183. 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