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R881 ✓ 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 BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, step_quantity: 11, special_features: 60.0 GPM, end_item_identification: WARREN PUMP MODEL 2.2CV-11, pump_design_control_activity: 63857, material_document_and_classification: QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-974-9916, 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
R881
NSN: 4320-00-974-9916
FSC: 4320
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialNICKEL ALLOY
step_quantity11
special_features60.0 GPM
end_item_identificationWARREN PUMP MODEL 2.2CV-11
pump_design_control_activity63857
material_document_and_classificationQQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE
NSN4320-00-974-9916
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BEARING,ROLLER,CYLINDRICAL TITLE COMPONENT PN R881 MFR BEARING,ROLLER,CYLINDR
KEY FEATURES
•
PUMP DESIGN CONTROL ACTIVITY: 63857
TECHNICAL CHARACTERISTICS (FLIS)
PUMP DESIGN CONTROL ACTIVITY63857
SPECIAL FEATURES60.0 GPM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
NL80Interchangeable
interchangeable cross-reference
interchangeable
72-6970-737Interchangeable
interchangeable cross-reference
interchangeable
48F6-4Interchangeable
interchangeable cross-reference
interchangeable
SAE-J513Interchangeable
interchangeable cross-reference
interchangeable
8F-6-4Interchangeable
interchangeable cross-reference
interchangeable
R-881Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R881?
R881 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace R881?
There are 15 known substitutes for R881: NL80, 72-6970-737, 48F6-4 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R881?
R881 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-974-9916. 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