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11240420-8 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

11240420-8: GASKET.

The GASKET is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-00-376-2245, 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
11240420-8
NSN: 5330-00-376-2245
FSC: 5330 — Packing and Gasket Materials
CAGE: 17773 — BALLISTIC MISSILE DEFENSE SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part Number11240420-8
NSN5330-00-376-2245
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 11240420-8 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
SUBSTITUTES & CROSS-REFERENCES 7
564318-20Reference document
Same NSN cross-reference
Reference document — Secondary reference
12646251Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
27065000370Reference document
Same NSN cross-reference
Reference document — Secondary reference
1191031031Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
Q 314 236 566Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
461-4288Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 11240420-8?
11240420-8 is a GASKET.
What parts can replace 11240420-8?
There are 7 known substitutes for 11240420-8: 564318-20, 12646251, 27065000370 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 11240420-8?
11240420-8 is cataloged in the U.S. Government catalog under NSN 5330-00-376-2245. 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.