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Technical Data Sheet

M83485/1-158 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

M83485/1-158: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, special_features: 81349-MIL-R-83485 (USAF) 8SEP76 CANCELLED GOVERNMENT SPECIFICATION REPLACED BY SAE 81343-AMS-R-83485, center_hole_diameter: 4.707 INCHES MINIMUM AND 4.767 INCHES MAXIMUM IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN, material_document_and_classification: SAE AMS-R-83485 ASSN STD SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-545-9936, 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
M83485/1-158
NSN: 5331-01-545-9936
FSC: 5331 — O-ring
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
hardness_rating75.0 SHORE DUROMETER A NOMINAL
special_features81349-MIL-R-83485 (USAF) 8SEP76 CANCELLED GOVERNMENT SPECIFICATION REPLACED BY SAE 81343-AMS-R-83485
center_hole_diameter4.707 INCHES MINIMUM AND 4.767 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
material_document_and_classificationSAE AMS-R-83485 ASSN STD SINGLE MATERIAL RESPONSE
NSN5331-01-545-9936
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M83485/1-158 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: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE AMS-R-83485 ASSN STD SINGLE MATERIAL RESPONSE
•
CENTER HOLE DIAMETER: 4.707 INCHES MINIMUM AND 4.767 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE AMS-R-83485 ASSN STD SINGLE MATERIAL RESPONSE
SPECIAL FEATURES81349-MIL-R-83485 (USAF) 8SEP76 CANCELLED GOVERNMENT SPECIFICATION REPLACED BY SAE 81343-AMS-R-83485
CENTER HOLE DIAMETER4.707 INCHES MINIMUM AND 4.767 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M83485/1-158?
M83485/1-158 is a O-RING.
What is the NSN for M83485/1-158?
M83485/1-158 is cataloged in the U.S. Government catalog under NSN 5331-01-545-9936. This indicates validated use in U.S. government and defense supply chains.
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