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Technical Data Sheet
PartsTable / O-RING / AMS-R-83285GR80/AS568-220
AMS-R-83285GR80/AS568-220 ✓ 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/AS568-220 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 5331-01-533-6603, 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/AS568-220
NSN: 5331-01-533-6603
FSC: 5331 — O-RING
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
Part NumberAMS-R-83285GR80/AS568-220
NSN5331-01-533-6603
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AMS-R-83285GR80/AS568-220 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
•
CENTER HOLE DIAMETER: 1.347 INCHES MINIMUM AND 1.371 INCHES MAXIMUM IN
•
MATERIAL: RUBBER ETHYLENE-PROPYLENE CLASS EPM
•
HARDNESS RATING: 80.0 SHORE DUROMETER A NOMINAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE AMS-R-83285 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER1.347 INCHES MINIMUM AND 1.371 INCHES MAXIMUM IN
MATERIALRUBBER ETHYLENE-PROPYLENE CLASS EPM
SPECIAL FEATURES81349-MIL-R-83285(USAF)/CANCELLED/ NOTICE 3, 31DEC97
HARDNESS RATING80.0 SHORE DUROMETER A NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE AMS-R-83285 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
19-660-389-00PC029Interchangeable
interchangeable cross-reference
interchangeable
AS568-220Interchangeable
interchangeable cross-reference
interchangeable
AS568-220CPInterchangeable
interchangeable cross-reference
interchangeable
5489360-22Interchangeable
interchangeable cross-reference
interchangeable
AS3209-220Interchangeable
interchangeable cross-reference
interchangeable
55-22018-21Interchangeable
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/AS568-220?
AMS-R-83285GR80/AS568-220 is a AMS-R-83285GR80/AS568-220.
What parts can replace AMS-R-83285GR80/AS568-220?
There are 21 known substitutes for AMS-R-83285GR80/AS568-220: 19-660-389-00PC029, AS568-220, AS568-220CP and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AMS-R-83285GR80/AS568-220?
AMS-R-83285GR80/AS568-220 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-533-6603. 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