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840977-4 — VALVE ASSY,CHECK

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

840977-4: VALVE ASSY,CHECK.

The VALVE ASSY,CHECK is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 2950-00-362-4546, 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
840977-4
NSN: 2950-00-362-4546
FSC: 2950 — Turbosupercharger and Components
CAGE: 72957 — ELLIOTT COMPANY DIV JEANNETTE (USA)
SPECIFICATIONS
Part Number840977-4
NSN2950-00-362-4546
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE ASSY,CHECK TITLE COMPONENT PN 840977-4 MFR VALVE ASSY,CHECK
OTHER ITEMS IN FSC 2950 — Turbosupercharger and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2950-00-037-8541 2950-00-442-3483 2950-01-136-7029 2950-01-144-9249 2950-01-167-1699 2950-01-195-5301 2950-01-201-7886 2950-01-716-0180
SUBSTITUTES & CROSS-REFERENCES 9
GNBA169KPC157Reference document
Same NSN cross-reference
Reference document — Secondary reference
3275571Reference document
Same NSN cross-reference
Reference document — Secondary reference
NB20011PC157Reference document
Same NSN cross-reference
Reference document — Secondary reference
NB20001PC157Reference document
Same NSN cross-reference
Reference document — Secondary reference
GNBA169PC157Reference document
Same NSN cross-reference
Reference document — Secondary reference
NB20016PC157Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 840977-4?
840977-4 is a VALVE ASSY,CHECK.
What parts can replace 840977-4?
There are 9 known substitutes for 840977-4: GNBA169KPC157, 3275571, NB20011PC157 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 840977-4?
840977-4 is cataloged in the U.S. Government catalog under NSN 2950-00-362-4546. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.