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PartsTable / COMPONENT / EF442A087S
EF442A087S ✓ 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 PLUG ASSEMBLY,SEALING is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-460-5957, 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
EF442A087S
NSN: 5340-01-460-5957
FSC: 5340
CAGE: U7941 — LEONARDO UK LIMITED (AW/EH101) (GBR)
SPECIFICATIONS
Part NumberEF442A087S
NSN5340-01-460-5957
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: EF442A087S 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
414020Interchangeable
interchangeable cross-reference
interchangeable
4ABInterchangeable
interchangeable cross-reference
interchangeable
8175384Interchangeable
interchangeable cross-reference
interchangeable
872291-14Interchangeable
interchangeable cross-reference
interchangeable
NE96Interchangeable
interchangeable cross-reference
interchangeable
1W2834Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is EF442A087S?
EF442A087S is a PLUG ASSEMBLY,SEALING.
What parts can replace EF442A087S?
There are 11 known substitutes for EF442A087S: 414020, 4AB, 8175384 and 8 more. Substitute compatibility should be verified for your specific system.
Is EF442A087S still available?
EF442A087S is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026