PartsTable
Technical Data Sheet
PartsTable / O-RING / 2-120 N304-75
2-120 N304-75 ✓ 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 5331-00-542-1329, 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
2-120 N304-75
NSN: 5331-00-542-1329
FSC: 5331 — O-RING
CAGE: C0308 — PARKER HANNIFIN GMBH O-RING DIVISION (DEU)
SPECIFICATIONS
Part Number2-120 N304-75
NSN5331-00-542-1329
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2-120 N304-75 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 22
SAE-AS28775Interchangeable
interchangeable cross-reference
interchangeable
C4132PC13Interchangeable
interchangeable cross-reference
interchangeable
000223EBInterchangeable
interchangeable cross-reference
interchangeable
10068090Interchangeable
interchangeable cross-reference
interchangeable
C-4261 PC.12Interchangeable
interchangeable cross-reference
interchangeable
MIL-P-25732Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2-120 N304-75?
2-120 N304-75 is a O-RING.
What parts can replace 2-120 N304-75?
There are 22 known substitutes for 2-120 N304-75: SAE-AS28775, C4132PC13, 000223EB and 19 more. Substitute compatibility should be verified for your specific system.
Is 2-120 N304-75 still available?
2-120 N304-75 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