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277971 — CELL ASSEMBLY,OPTICAL INSTRUMENT

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

277971: CELL ASSEMBLY,OPTICAL INSTRUMENT.

CELL ASSEMBLY,OPTICAL INSTRUMENT. Key specifications include special_features: 80 PSI, end_item_identification: NIGHT VISION GOGGLES, part_name_assigned_by_controlling_agency: PRESSURE PROTECTION VALVE. This part is cataloged in the U.S.

Government catalog under NSN 5365-01-326-1977, 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→ 277971
NSN: 5365-01-326-1977
NIINs: 013261977, 015154794, 015729797, 016617650
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 85374 — BVR TECHNOLOGIES CO. (USA)
SPECIFICATIONS
special_features80 PSI
end_item_identificationNIGHT VISION GOGGLES
part_name_assigned_by_controlling_agencyPRESSURE PROTECTION VALVE
NSN5365-01-326-1977
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CELL ASSEMBLY,OPTICAL INSTRUMENT TITLE COMPONENT PN 277971 MFR CELL ASSEMBLY,OPTICAL
TYPICAL APPLICATIONS
  • Data center switch-to-switch interconnects
  • Server-to-storage fabric connectivity
  • Long-distance fiber optic links
  • High-speed uplink connections (10G/25G/40G/100G)
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 277971?
277971 is a CELL ASSEMBLY,OPTICAL INSTRUMENT. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 277971?
277971 is cataloged in the U.S. Government catalog under NSN 5365-01-326-1977. 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.