PartsTable
Technical Data Sheet

M83485/1-143 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

M83485/1-143: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, temp_rating: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, outside_diameter: 2.605 INCHES MINIMUM AND 2.657 INCHES MAXIMUM IN, center_hole_diameter: 2.405 INCHES MINIMUM AND 2.445 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-167-5125, 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
M83485/1-143
NSN: 5331-00-167-5125
FSC: 5331 — O-ring
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
temp_rating-15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A NOMINAL
outside_diameter2.605 INCHES MINIMUM AND 2.657 INCHES MAXIMUM IN
center_hole_diameter2.405 INCHES MINIMUM AND 2.445 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
material_document_and_classificationAMS7276 ASSN STD SINGLE MATERIAL RESPONSE
NSN5331-00-167-5125
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M83485/1-143 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
•
TEMP RATING: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 2.605 INCHES MINIMUM AND 2.657 INCHES MAXIMUM IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS7276 ASSN STD SINGLE MATERIAL RESPONSE
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CENTER HOLE DIAMETER: 2.405 INCHES MINIMUM AND 2.445 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS
TEMP RATING-15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.605 INCHES MINIMUM AND 2.657 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS7276 ASSN STD SINGLE MATERIAL RESPONSE
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER2.405 INCHES MINIMUM AND 2.445 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
SUBSTITUTES & CROSS-REFERENCES 9
284732-0001 ITEM 62Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
AS3209-143Reference document
Same NSN cross-reference
Reference document — Secondary reference
5331PL1381207Reference document
Same NSN cross-reference
Reference document — Informative reference only
PRP143-16207Reference document
Same NSN cross-reference
Reference document — Secondary reference
400922Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
020143V0747Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M83485/1-143?
M83485/1-143 is a O-RING.
What parts can replace M83485/1-143?
There are 9 known substitutes for M83485/1-143: 284732-0001 ITEM 62, AS3209-143, 5331PL1381207 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M83485/1-143?
M83485/1-143 is cataloged in the U.S. Government catalog under NSN 5331-00-167-5125. 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.