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Technical Data Sheet

M83485/1-904 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

M83485/1-904: 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, special_features: WEAPONS SYSTEM ESSENTIAL, center_hole_diameter: 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN, cross-sectional_height: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN, criticality_code_justification: FEAT. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-020-0203, 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
M83485/1-904
NSN: 5331-00-020-0203
NIINs: 000200203, 014124828
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
special_featuresWEAPONS SYSTEM ESSENTIAL
center_hole_diameter0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
cross-sectional_height0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
criticality_code_justificationFEAT
material_document_and_classificationMIL-R-83485 TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5331-00-020-0203
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M83485/1-904 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
SUBSTITUTES & CROSS-REFERENCES 10
5331PL2007478Reference document
Same NSN cross-reference
Reference document — Informative reference only
M83248-1-904Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
379643Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
992E545-10Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
8712 FIND 21Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
M93248/1-904Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedAcquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M83485/1-904?
M83485/1-904 is a O-RING.
What parts can replace M83485/1-904?
There are 10 known substitutes for M83485/1-904: 5331PL2007478, M83248-1-904, 379643 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M83485/1-904?
M83485/1-904 is cataloged in the U.S. Government catalog under NSN 5331-00-020-0203. This indicates validated use in U.S. government and defense supply chains.
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