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Technical Data Sheet
PartsTable / O-RING / M83485/1-239
M83485/1-239 ✓ 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 M83485/1-239 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 5331-01-483-0828, 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
M83485/1-239
NSN: 5331-01-483-0828
FSC: 5331 — O-RING
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
Part NumberM83485/1-239
NSN5331-01-483-0828
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M83485/1-239 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
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
TEMP RATING: -40.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
CENTER HOLE DIAMETER: 3.581 INCHES MINIMUM AND 3.637 INCHES MAXIMUM IN
•
HARDNESS RATING: 80.0 SHORE DUROMETER A NOMINAL
•
SPECIFICATION/STANDARD DATA: 81349-MIL-R-83485 AMENDMENT 3,NOTICE 2/INACTIVE/ GOVERNMENT SPECIFICATION
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS-R-83485 ASSN STD SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
TEMP RATING-40.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
MATERIALRUBBER FLUOROCARBON CLASS FPM
CENTER HOLE DIAMETER3.581 INCHES MINIMUM AND 3.637 INCHES MAXIMUM IN
HARDNESS RATING80.0 SHORE DUROMETER A NOMINAL
SPECIFICATION/STANDARD DATA81349-MIL-R-83485 AMENDMENT 3,NOTICE 2/INACTIVE/ GOVERNMENT SPECIFICATION
MATERIAL DOCUMENT AND CLASSIFICATIONAMS-R-83485 ASSN STD SINGLE MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
M83485/1-029Interchangeable
interchangeable cross-reference
interchangeable
AMS-R-83485Interchangeable
interchangeable cross-reference
interchangeable
5331012727464Interchangeable
interchangeable cross-reference
interchangeable
M83485/1-016Interchangeable
interchangeable cross-reference
interchangeable
V0835 2-016Interchangeable
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 M83485/1-239?
M83485/1-239 is a M83485/1-239.
What parts can replace M83485/1-239?
There are 21 known substitutes for M83485/1-239: M83485/1-029, AMS-R-83485, 5331012727464 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M83485/1-239?
M83485/1-239 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-483-0828. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026