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Technical Data Sheet
PartsTable / O-RING / OR235X4NBR-70
OR235X4NBR-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 product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-338-5555, 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
OR235X4NBR-70
NSN: 5331-01-338-5555
FSC: 5331 — O-RING
CAGE: H0H28 — KONINKLIJKE MARINE DMKM PFS, PLATFORMSYSTEMEN (NLD)
SPECIFICATIONS
Part NumberOR235X4NBR-70
NSN5331-01-338-5555
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: OR235X4NBR-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 8
4701-03-1622Interchangeable
interchangeable cross-reference
interchangeable
5043CX1600JInterchangeable
interchangeable cross-reference
interchangeable
03-0005-155Interchangeable
interchangeable cross-reference
interchangeable
41604-1Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-7788HInterchangeable
interchangeable cross-reference
interchangeable
10-0151-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is OR235X4NBR-70?
OR235X4NBR-70 is a O-RING.
What parts can replace OR235X4NBR-70?
There are 8 known substitutes for OR235X4NBR-70: 4701-03-1622, 5043CX1600J, 03-0005-155 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for OR235X4NBR-70?
OR235X4NBR-70 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-338-5555. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026