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Technical Data Sheet
PartsTable / O-RING / 2-239 N674-70
2-239 N674-70 ✓ 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 O-RING is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-128-2074, 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
2-239 N674-70
NSN: 5331-00-128-2074
FSC: 5331 — O-RING
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
Part Number2-239 N674-70
NSN5331-00-128-2074
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2-239 N674-70 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 23
8-75ITInterchangeable
interchangeable cross-reference
interchangeable
182A-BInterchangeable
interchangeable cross-reference
interchangeable
4291Interchangeable
interchangeable cross-reference
interchangeable
66-39467Interchangeable
interchangeable cross-reference
interchangeable
133Interchangeable
interchangeable cross-reference
interchangeable
5010CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2-239 N674-70?
2-239 N674-70 is a O-RING.
What parts can replace 2-239 N674-70?
There are 23 known substitutes for 2-239 N674-70: 8-75IT, 182A-B, 4291 and 20 more. Substitute compatibility should be verified for your specific system.
Is 2-239 N674-70 still available?
2-239 N674-70 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