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Technical Data Sheet

M83485/1-042 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

M83485/1-042: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, hardness_rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM, center_hole_diameter: 3.215 INCHES MINIMUM AND 3.263 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN, material_document_and_classification: MIL-R-83451/1 MIL SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-485-6432, 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
M83485/1-042
NSN: 5331-01-485-6432
NIINs: 014856432, 016467903
FSC: 5331 — O-ring
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
hardness_rating70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
center_hole_diameter3.215 INCHES MINIMUM AND 3.263 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
material_document_and_classificationMIL-R-83451/1 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5331-01-485-6432
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M83485/1-042 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: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-83451/1 MIL SPEC SINGLE MATERIAL RESPONSE
•
CENTER HOLE DIAMETER: 3.215 INCHES MINIMUM AND 3.263 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
HARDNESS RATING70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-83451/1 MIL SPEC SINGLE MATERIAL RESPONSE
CENTER HOLE DIAMETER3.215 INCHES MINIMUM AND 3.263 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
SUBSTITUTES & CROSS-REFERENCES 3
ST1946-042Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5331PL1745772Reference document
Same NSN cross-reference
Reference document — Informative reference only
5331PL0658570Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M83485/1-042?
M83485/1-042 is a O-RING.
What parts can replace M83485/1-042?
There are 3 known substitutes for M83485/1-042: ST1946-042, 5331PL1745772, 5331PL0658570. Substitute compatibility should be verified for your specific system.
What is the NSN for M83485/1-042?
M83485/1-042 is cataloged in the U.S. Government catalog under NSN 5331-01-485-6432. This indicates validated use in U.S. government and defense supply chains.
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