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R877-387 — LIFTER,VALVE SPRING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

R877-387: LIFTER,VALVE SPRING.

The LIFTER,VALVE SPRING is a the manufacturer industrial component. Key specifications include end_item_identification: VALVE SPRING COMPRESSOR, MQ-1C AIRCRAFT, part_name_assigned_by_controlling_agency: LIFTER VALVE SPRING. This part is cataloged in the U.S.

Government catalog under NSN 5120-01-662-0696, 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
R877-387
NSN: 5120-01-662-0696
FSC: 5120 — Hand Tools, Nonedged, Nonpowered
CAGE: 0YJB5 — GENERAL ATOMICS AERONAUTICAL SYSTEMS, INC. (USA)
SPECIFICATIONS
end_item_identificationVALVE SPRING COMPRESSOR, MQ-1C AIRCRAFT
part_name_assigned_by_controlling_agencyLIFTER VALVE SPRING
NSN5120-01-662-0696
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LIFTER,VALVE SPRING TITLE COMPONENT PN R877-387 MFR LIFTER,VALVE SPRING
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYLIFTER VALVE SPRING
END ITEM IDENTIFICATIONVALVE SPRING COMPRESSOR, MQ-1C AIRCRAFT
OTHER ITEMS IN FSC 5120 — Hand Tools, Nonedged, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5120-00-001-2642 5120-00-001-2644 5120-00-001-2650 5120-00-001-2651 5120-00-001-2652 5120-00-001-2653 5120-00-001-2654 5120-00-001-2655
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is R877-387?
R877-387 is a LIFTER,VALVE SPRING.
What is the NSN for R877-387?
R877-387 is cataloged in the U.S. Government catalog under NSN 5120-01-662-0696. 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.