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Technical Data Sheet
PartsTable / O-RING / AMS-R-83285GR80/AS568-218
AMS-R-83285GR80/AS568-218 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The AMS-R-83285GR80/AS568-218 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-525-4179, 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
AMS-R-83285GR80/AS568-218
NSN: 5331-01-525-4179
FSC: 5331 — O-RING
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
Part NumberAMS-R-83285GR80/AS568-218
NSN5331-01-525-4179
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AMS-R-83285GR80/AS568-218 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE-AMS-R-83285GR80 MIL SPEC SINGLE MATERIAL RESPONSE
•
CENTER HOLE DIAMETER: 1.222 INCHES MINIMUM AND 1.246 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
HARDNESS RATING: 80.0 SHORE DUROMETER A NOMINAL
•
MATERIAL: RUBBER ETHYLENE-PROPYLENE CLASS EPM
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONSAE-AMS-R-83285GR80 MIL SPEC SINGLE MATERIAL RESPONSE
CENTER HOLE DIAMETER1.222 INCHES MINIMUM AND 1.246 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONHARDWARE
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
HARDNESS RATING80.0 SHORE DUROMETER A NOMINAL
MATERIALRUBBER ETHYLENE-PROPYLENE CLASS EPM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
30123DInterchangeable
interchangeable cross-reference
interchangeable
07FC009NInterchangeable
interchangeable cross-reference
interchangeable
2-218N-7Interchangeable
interchangeable cross-reference
interchangeable
AMS-R-83285 GR 80Interchangeable
interchangeable cross-reference
interchangeable
216-4384970 PC 63Interchangeable
interchangeable cross-reference
interchangeable
2-228E540-80Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AMS-R-83285GR80/AS568-218?
AMS-R-83285GR80/AS568-218 is a AMS-R-83285GR80/AS568-218.
What parts can replace AMS-R-83285GR80/AS568-218?
There are 16 known substitutes for AMS-R-83285GR80/AS568-218: 30123D, 07FC009N, 2-218N-7 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AMS-R-83285GR80/AS568-218?
AMS-R-83285GR80/AS568-218 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-525-4179. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026