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Technical Data Sheet
PartsTable / MRO / B921-7

B921-7 — Technical Data Sheet

✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 SUPPRESSOR,PARASITIC is a the manufacturer industrial component. Key specifications include functional_description: VALVE SEAT AND BUSHING WRENCH, end_item_identification: COFFIN TURBO PUMP, general_characteristics_item_description: STEEL; 6 IN. LG X 3/8 IN.

THK; DOUBLE ENDED IN. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System under NSN 5120-00-116-2881, 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
MRO→ MRO_GENERAL→ B921-7
NSN: 5120-00-116-2881
FSC: 5120
CAGE: 0APJ5 — COFFIN TURBO PUMP INC (USA)
SPECIFICATIONS
functional_descriptionVALVE SEAT AND BUSHING WRENCH
end_item_identificationCOFFIN TURBO PUMP
general_characteristics_item_descriptionSTEEL; 6 IN. LG X 3/8 IN. THK; DOUBLE ENDED IN
NSN5120-00-116-2881
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SUPPRESSOR,PARASITIC TITLE COMPONENT PN B921-7 MFR SUPPRESSOR,PARASITIC
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL; 6 IN. LG X 3/8 IN. THK; DOUBLE ENDED IN
•
FUNCTIONAL DESCRIPTION: VALVE SEAT AND BUSHING WRENCH
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL; 6 IN. LG X 3/8 IN. THK; DOUBLE ENDED IN
END ITEM IDENTIFICATIONCOFFIN TURBO PUMP
FUNCTIONAL DESCRIPTIONVALVE SEAT AND BUSHING WRENCH
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
103385InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
50-5A34InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
7539InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
604713-000InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
9217InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
6058120InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B921-7?
B921-7 is a SUPPRESSOR,PARASITIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace B921-7?
There are 13 known substitutes for B921-7: 103385, 50-5A34, 7539 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B921-7?
B921-7 is cataloged in the Federal Logistics Information System under NSN 5120-00-116-2881. 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