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Technical Data Sheet

MIL-R-83285GR80/AS568-028 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MIL-R-83285GR80/AS568-028: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER ETHYLENE-PROPYLENE CLASS EPM, hardness_rating: 80.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 1.351 INCHES MINIMUM AND 1.377 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN, end_item_identification: ECS; AIRCRAFT, HAWKEYE E-2C, material_document_and_classification: MIL-R-83285, GRADE 80 MIL SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-515-9030, 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-83285GR80/AS568-028
NSN: 5331-01-515-9030
FSC: 5331 — O-ring
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE CLASS EPM
hardness_rating80.0 SHORE DUROMETER A NOMINAL
center_hole_diameter1.351 INCHES MINIMUM AND 1.377 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
end_item_identificationECS; AIRCRAFT, HAWKEYE E-2C
material_document_and_classificationMIL-R-83285, GRADE 80 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5331-01-515-9030
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MIL-R-83285GR80/AS568-028 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
•
HARDNESS RATING: 80.0 SHORE DUROMETER A NOMINAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-83285, GRADE 80 MIL SPEC SINGLE MATERIAL RESPONSE
•
CENTER HOLE DIAMETER: 1.351 INCHES MINIMUM AND 1.377 INCHES MAXIMUM IN
•
MATERIAL: RUBBER ETHYLENE-PROPYLENE CLASS EPM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
HARDNESS RATING80.0 SHORE DUROMETER A NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-83285, GRADE 80 MIL SPEC SINGLE MATERIAL RESPONSE
CENTER HOLE DIAMETER1.351 INCHES MINIMUM AND 1.377 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONECS; AIRCRAFT, HAWKEYE E-2C
MATERIALRUBBER ETHYLENE-PROPYLENE CLASS EPM
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 2
SAE-AMS-R-83285Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
S9026N028Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 MIL-R-83285GR80/AS568-028?
MIL-R-83285GR80/AS568-028 is a O-RING.
What parts can replace MIL-R-83285GR80/AS568-028?
There are 2 known substitutes for MIL-R-83285GR80/AS568-028: SAE-AMS-R-83285, S9026N028. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-R-83285GR80/AS568-028?
MIL-R-83285GR80/AS568-028 is cataloged in the U.S. Government catalog under NSN 5331-01-515-9030. This indicates validated use in U.S. government and defense supply chains.
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