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Technical Data Sheet

M83485/1-203 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

M83485/1-203: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: PLASTIC FLUOROCARBON, center_hole_diameter: 7.391 MILLIMETERS MINIMUM AND 7.645 MILLIMETERS MAXIMUM MM, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN, end_item_identification: B-52, material_document_and_classification: AMS7287 NATIONAL STD SINGLE MATERIAL RESPONSE, part_name_assigned_by_controlling_agency: O-RING. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-719-9254, 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
M83485/1-203
NSN: 5331-01-719-9254
FSC: 5331 — O-ring
CAGE: 97153 — GOODRICH CORPORATION DIV COLLINS AEROSPACE, LANDING SYSTEMS (WHEELS & BRAKES) (USA)
SPECIFICATIONS
materialPLASTIC FLUOROCARBON
center_hole_diameter7.391 MILLIMETERS MINIMUM AND 7.645 MILLIMETERS MAXIMUM MM
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
end_item_identificationB-52
material_document_and_classificationAMS7287 NATIONAL STD SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyO-RING
NSN5331-01-719-9254
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M83485/1-203 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: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS7287 NATIONAL STD SINGLE MATERIAL RESPONSE
•
CENTER HOLE DIAMETER: 7.391 MILLIMETERS MINIMUM AND 7.645 MILLIMETERS MAXIMUM MM
•
MATERIAL: PLASTIC FLUOROCARBON
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS7287 NATIONAL STD SINGLE MATERIAL RESPONSE
CENTER HOLE DIAMETER7.391 MILLIMETERS MINIMUM AND 7.645 MILLIMETERS MAXIMUM MM
PART NAME ASSIGNED BY CONTROLLING AGENCYO-RING
END ITEM IDENTIFICATIONB-52
MATERIALPLASTIC FLUOROCARBON
SUBSTITUTES & CROSS-REFERENCES 1
AS83485Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M83485/1-203?
M83485/1-203 is a O-RING.
What parts can replace M83485/1-203?
There is 1 known substitute for M83485/1-203: AS83485. Substitute compatibility should be verified for your specific system.
What is the NSN for M83485/1-203?
M83485/1-203 is cataloged in the U.S. Government catalog under NSN 5331-01-719-9254. This indicates validated use in U.S. government and defense supply chains.
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