PartsTable
Technical Data Sheet

M83485/1-121 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

M83485/1-121: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: O-RING. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-167-5110, 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
M83485/1-121
NSN: 5331-00-167-5110
NIINs: 001675110, 014856412, 016322352
FSC: 5331 — O-ring
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyO-RING
NSN5331-00-167-5110
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M83485/1-121 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: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.239 INCHES MINIMUM AND 1.271 INCHES MAXIMUM IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CENTER HOLE DIAMETER: 1.039 INCHES MINIMUM AND 1.059 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.239 INCHES MINIMUM AND 1.271 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER1.039 INCHES MINIMUM AND 1.059 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
SUBSTITUTES & CROSS-REFERENCES 10
8020002121635Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
AS8209-121Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS9388-121Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
4405Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
649-393-121-0Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
440059-1210Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M83485/1-121?
M83485/1-121 is a O-RING.
What parts can replace M83485/1-121?
There are 10 known substitutes for M83485/1-121: 8020002121635, AS8209-121, MS9388-121 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M83485/1-121?
M83485/1-121 is cataloged in the U.S. Government catalog under NSN 5331-00-167-5110. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.