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Technical Data Sheet
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439-2342 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

439-2342: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-166-2097, 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
439-2342
NSN: 5331-01-166-2097
FSC: 5331 — O-ring
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
Part Number439-2342
NSN5331-01-166-2097
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 439-2342 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 4
2152-2115-411Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
HE011213Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
90763-991Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
011213Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 439-2342?
439-2342 is a O-RING.
What parts can replace 439-2342?
There are 4 known substitutes for 439-2342: 2152-2115-411, HE011213, 90763-991 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 439-2342?
439-2342 is cataloged in the U.S. Government catalog under NSN 5331-01-166-2097. This indicates validated use in U.S. government and defense supply chains.
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