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Technical Data Sheet
PartsTable / COMPONENT / MIL-R-83285
MIL-R-83285 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER ETHYLENE-PROPYLENE CLASS EPM, peripheral_diameter: 0.367 INCHES NOMINAL IN, center_hole_diameter: 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN, cross-sectional_height: 0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN, criticality_code_justification: ZZZW. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 9320-00-377-0587, 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
MIL-R-83285
NSN: 9320-00-377-0587
FSC: 9320
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE CLASS EPM
peripheral_diameter0.367 INCHES NOMINAL IN
center_hole_diameter0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
cross-sectional_height0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
departure_from_cited_documentMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
criticality_code_justificationZZZW
NSN9320-00-377-0587
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available O-RING TITLE COMPONENT PN MIL-R-83285 MFR O-RING
KEY FEATURES
•
NONMETALLIC HARDNESS RATING: 75.0 MINIMUM SHORE DUROMETER A AND 85.0 MAXIMUM SHORE DUROMETER A
•
MATERIAL: RUBBER ETHYLENE-PROPYLENE CLASS EPM LOCATION NOT OTHERWISE SPECIFIED
•
ENVIRONMENTAL PROTECTION: OZONE RESISTANT AND WEATHER RESISTANT
•
NONDEFINITIVE SPEC/STD DATA: 80 GRADE
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-83285, GRADE 80 MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
•
SURFACE CONDITION: SMOOTH LOCATION NOT OTHERWISE SPECIFIED
•
LENGTH: 120.000 INCHES NOMINAL IN
•
THICKNESS: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
NONMETALLIC HARDNESS RATING75.0 MINIMUM SHORE DUROMETER A AND 85.0 MAXIMUM SHORE DUROMETER A
MATERIALRUBBER ETHYLENE-PROPYLENE CLASS EPM LOCATION NOT OTHERWISE SPECIFIED
ENVIRONMENTAL PROTECTIONOZONE RESISTANT AND WEATHER RESISTANT
NONDEFINITIVE SPEC/STD DATA80 GRADE
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-83285, GRADE 80 MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
SURFACE CONDITIONSMOOTH LOCATION NOT OTHERWISE SPECIFIED
LENGTH120.000 INCHES NOMINAL IN
THICKNESS0.125 INCHES NOMINAL IN
WIDTH36.000 INCHES NOMINAL IN
MINIMUM TENSILE STRENGTHERR-060
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
MIL-R-83285Interchangeable
interchangeable cross-reference
interchangeable
MS33666-211Interchangeable
interchangeable cross-reference
interchangeable
GR.80Interchangeable
interchangeable cross-reference
interchangeable
AMS-R-83285Interchangeable
interchangeable cross-reference
interchangeable
MS33666-120Interchangeable
interchangeable cross-reference
interchangeable
AS568-120Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-R-83285?
MIL-R-83285 is a O-RING.
What parts can replace MIL-R-83285?
There are 12 known substitutes for MIL-R-83285: MIL-R-83285, MS33666-211, GR.80 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-R-83285?
MIL-R-83285 is cataloged in the Federal Logistics Information System (FLIS) under NSN 9320-00-377-0587. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026