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Technical Data Sheet
11780148 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include features_provided: OBSERVATION FACILITY, securing_device_type: THREADED FASTENER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-072-8275, 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
11780148
NSN: 5340-01-072-8275
FSC: 5340
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
NSN5340-01-072-8275
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 11780148 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
SECURING DEVICE TYPE: THREADED FASTENER
FEATURES PROVIDED: OBSERVATION FACILITY
TECHNICAL CHARACTERISTICS (FLIS)
SECURING DEVICE TYPETHREADED FASTENER
FEATURES PROVIDEDOBSERVATION FACILITY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
BB23761Interchangeable
interchangeable cross-reference
interchangeable
FS8508Interchangeable
interchangeable cross-reference
interchangeable
C110402Interchangeable
interchangeable cross-reference
interchangeable
42510-9Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11780148?
11780148 is a COVER,ACCESS.
What parts can replace 11780148?
There are 4 known substitutes for 11780148: BB23761, FS8508, C110402 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 11780148?
11780148 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-072-8275. This indicates validated use in U.S. government and defense supply chains.
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