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11E421138 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

11E421138: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER OVERALL, special_features: "U" SHAPED, .375 INCH WIDE BY .562 INCH TALL IN, fabrication_method: SOLID, end_item_identification: FORWARD REPAIR SYSTEM (FRS) NSN 4940-01-487-7940, part_name_assigned_by_controlling_agency: GASKET. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-487-8852, 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
11E421138
NSN: 5330-01-487-8852
FSC: 5330 — Packing and Gasket Materials
CAGE: 59678 — COMBAT CAPABILITIES DEVELOPMENT COMMAND ARMAMENTS CENTER DBA US ARMY COMBAT CAPABILITIES DEVELOPMENT COMMAND ARMAMENTS CENTER (USA)
SPECIFICATIONS
materialRUBBER OVERALL
special_features"U" SHAPED, .375 INCH WIDE BY .562 INCH TALL IN
fabrication_methodSOLID
end_item_identificationFORWARD REPAIR SYSTEM (FRS) NSN 4940-01-487-7940
part_name_assigned_by_controlling_agencyGASKET
NSN5330-01-487-8852
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 11E421138 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
•
COLOR: BLACK
•
MATERIAL: RUBBER OVERALL
•
FABRICATION METHOD: SOLID
TECHNICAL CHARACTERISTICS
COLORBLACK
SPECIAL FEATURES"U" SHAPED, .375 INCH WIDE BY .562 INCH TALL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYGASKET
END ITEM IDENTIFICATIONFORWARD REPAIR SYSTEM (FRS) NSN 4940-01-487-7940
MATERIALRUBBER OVERALL
FABRICATION METHODSOLID
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 2
RIA149142Reference document
Same NSN cross-reference
Reference document — Secondary reference
E798Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 11E421138?
11E421138 is a GASKET.
What parts can replace 11E421138?
There are 2 known substitutes for 11E421138: RIA149142, E798. Substitute compatibility should be verified for your specific system.
What is the NSN for 11E421138?
11E421138 is cataloged in the U.S. Government catalog under NSN 5330-01-487-8852. 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.