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Technical Data Sheet

M83485/1-018 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

M83485/1-018: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, temp_rating: -40.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, hardness_rating: 80.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 0.730 INCHES MINIMUM AND 0.748 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN, specification/standard_data: 81349-MIL-R-83485 AMENDMENT 3,NOTICE 2/INACTIVE/ GOVERNMENT SPECIFICATION. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-166-0994, 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
M83485/1-018
NSN: 5331-00-166-0994
NIINs: 001660994, 014830841
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
temp_rating-40.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
hardness_rating80.0 SHORE DUROMETER A NOMINAL
center_hole_diameter0.730 INCHES MINIMUM AND 0.748 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
specification/standard_data81349-MIL-R-83485 AMENDMENT 3,NOTICE 2/INACTIVE/ GOVERNMENT SPECIFICATION
material_document_and_classificationAMS-R-83485 ASSN STD SINGLE MATERIAL RESPONSE
NSN5331-00-166-0994
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M83485/1-018 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
•
OUTSIDE DIAMETER: 0.864 INCHES MINIMUM AND 0.894 INCHES MAXIMUM IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CENTER HOLE DIAMETER: 0.730 INCHES MINIMUM AND 0.748 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.864 INCHES MINIMUM AND 0.894 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER0.730 INCHES MINIMUM AND 0.748 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
SUBSTITUTES & CROSS-REFERENCES 9
M83248/1-018Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
ASC1442296Reference document
Same NSN cross-reference
Reference document — Secondary reference
F3C10272-5Reference document
Same NSN cross-reference
Reference document — Secondary reference
2-018 V747-75Reference document
Same NSN cross-reference
Reference document — Secondary reference
04018-514A0Reference document
Same NSN cross-reference
Reference document — Secondary reference
10067993Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M83485/1-018?
M83485/1-018 is a O-RING.
What parts can replace M83485/1-018?
There are 9 known substitutes for M83485/1-018: M83248/1-018, ASC1442296, F3C10272-5 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M83485/1-018?
M83485/1-018 is cataloged in the U.S. Government catalog under NSN 5331-00-166-0994. This indicates validated use in U.S. government and defense supply chains.
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