PartsTable
Technical Data Sheet
Download PDF

A51B92761-403 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A51B92761-403: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include features_provided: SEALING CAPABILITY AND OBSERVATION FACILITY, securing_device_type: THREADED FASTENER. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-064-2939, 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
A51B92761-403
NSN: 5340-01-064-2939
FSC: 5340 — Hardware, Commercial
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
features_providedSEALING CAPABILITY AND OBSERVATION FACILITY
securing_device_typeTHREADED FASTENER
NSN5340-01-064-2939
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A51B92761-403 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FEATURES PROVIDED: SEALING CAPABILITY AND OBSERVATION FACILITY
•
SECURING DEVICE TYPE: THREADED FASTENER
TECHNICAL CHARACTERISTICS
FEATURES PROVIDEDSEALING CAPABILITY AND OBSERVATION FACILITY
SECURING DEVICE TYPETHREADED FASTENER
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
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 procurementDemilitarization required — mutilation + specific procedure
Ready to buy A51B92761-403?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is A51B92761-403?
A51B92761-403 is a COVER,ACCESS.
What is the NSN for A51B92761-403?
A51B92761-403 is cataloged in the U.S. Government catalog under NSN 5340-01-064-2939. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — A51B92761-403

✓ 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.