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Technical Data Sheet
PartsTable / O-RING / AS568-020
AS568-020 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include criticality_code_justification: ZZZY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-015-3371, 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
AS568-020
NSN: 5331-01-015-3371
FSC: 5331 — O-RING
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
NSN5331-01-015-3371
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS568-020 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
•
ELONGATION PERCENTAGE: 200 MAXIMUM
•
HARDNESS RATING: 65.0 SHORE DUROMETER A NOMINAL
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
CENTER HOLE DIAMETER: 0.858 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.004 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
ELONGATION PERCENTAGE200 MAXIMUM
HARDNESS RATING65.0 SHORE DUROMETER A NOMINAL
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CENTER HOLE DIAMETER0.858 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.004 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
AMS 7271HInterchangeable
interchangeable cross-reference
interchangeable
2-275 N506-65Interchangeable
interchangeable cross-reference
interchangeable
AS3578-275Interchangeable
interchangeable cross-reference
interchangeable
AS3578-020Interchangeable
interchangeable cross-reference
interchangeable
PRP568-020-4024-65Interchangeable
interchangeable cross-reference
interchangeable
29822-96Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS568-020?
AS568-020 is a O-RING.
What parts can replace AS568-020?
There are 25 known substitutes for AS568-020: AMS 7271H, 2-275 N506-65, AS3578-275 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS568-020?
AS568-020 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-015-3371. 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