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Technical Data Sheet
PartsTable / O-RING / 83485/1-140
83485/1-140 ✓ 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 83485/1-140 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 5331-01-194-8963, 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
83485/1-140
NSN: 5331-01-194-8963
FSC: 5331 — O-RING
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part Number83485/1-140
NSN5331-01-194-8963
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 83485/1-140 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 12
SAE AS3581-280Interchangeable
interchangeable cross-reference
interchangeable
SAE-AS3581Interchangeable
interchangeable cross-reference
interchangeable
AS3581-280Interchangeable
interchangeable cross-reference
interchangeable
M83485/1-140Interchangeable
interchangeable cross-reference
interchangeable
AMC-R-83485Interchangeable
interchangeable cross-reference
interchangeable
AMS-R-83485/1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 83485/1-140?
83485/1-140 is a 83485/1-140.
What parts can replace 83485/1-140?
There are 12 known substitutes for 83485/1-140: SAE AS3581-280, SAE-AS3581, AS3581-280 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 83485/1-140?
83485/1-140 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-194-8963. 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