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11780091 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

11780091: COVER,ACCESS.

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

Government catalog under NSN 5340-01-072-8274, 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
11780091
NSN: 5340-01-072-8274
FSC: 5340 — Hardware, Commercial
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
features_providedOBSERVATION FACILITY
securing_device_typeTHREADED FASTENER
NSN5340-01-072-8274
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 11780091 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: OBSERVATION FACILITY
•
SECURING DEVICE TYPE: THREADED FASTENER
TECHNICAL CHARACTERISTICS
FEATURES PROVIDEDOBSERVATION FACILITY
SECURING DEVICE TYPETHREADED FASTENER
SUBSTITUTES & CROSS-REFERENCES 2
42375-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
42375-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 11780091?
11780091 is a COVER,ACCESS.
What parts can replace 11780091?
There are 2 known substitutes for 11780091: 42375-1, 42375-3. Substitute compatibility should be verified for your specific system.
What is the NSN for 11780091?
11780091 is cataloged in the U.S. Government catalog under NSN 5340-01-072-8274. This indicates validated use in U.S. government and defense supply chains.
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