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Technical Data Sheet
PartsTable / O-RING / M83485/1-469
M83485/1-469 ✓ 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 M83485/1-469 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 5331-01-371-3751, 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
M83485/1-469
NSN: 5331-01-371-3751
FSC: 5331 — O-RING
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM83485/1-469
NSN5331-01-371-3751
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M83485/1-469 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
•
CENTER HOLE DIAMETER: 19.860 INCHES MINIMUM AND 20.050 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
CROSS-SECTIONAL HEIGHT: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER19.860 INCHES MINIMUM AND 20.050 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
CROSS-SECTIONAL HEIGHT0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
AMS7287Interchangeable
interchangeable cross-reference
interchangeable
6208-40-2Interchangeable
interchangeable cross-reference
interchangeable
ST3001-113Interchangeable
interchangeable cross-reference
interchangeable
MIL-R-83485Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M83485/1-469?
M83485/1-469 is a M83485/1-469.
What parts can replace M83485/1-469?
There are 4 known substitutes for M83485/1-469: AMS7287, 6208-40-2, ST3001-113 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M83485/1-469?
M83485/1-469 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-371-3751. 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