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Technical Data Sheet
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50957991 — Technical Data Sheet

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— · 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 material: STEEL, end_item_identification: SPERRY VICKERS ROTARY PUMP,SERIES V10. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4320-01-154-1021, 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
50957991
NSN: 4320-01-154-1021
FSC: 4320
CAGE: 88032 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING (USA)
SPECIFICATIONS
materialSTEEL
end_item_identificationSPERRY VICKERS ROTARY PUMP,SERIES V10
NSN4320-01-154-1021
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,WEARING TITLE COMPONENT PN 50957991 MFR RING,WEARING
KEY FEATURES
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
MATERIALSTEEL
END ITEM IDENTIFICATIONSPERRY VICKERS ROTARY PUMP,SERIES V10
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
1261RInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1A7332InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1A7350InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1757InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1757AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1675AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 50957991?
50957991 is a RING,WEARING.
What parts can replace 50957991?
There are 9 known substitutes for 50957991: 1261R, 1A7332, 1A7350 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 50957991?
50957991 is cataloged in the Federal Logistics Information System under NSN 4320-01-154-1021. 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: September 2026