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PartsTable / O-RING / AS568B-125/SAE 10R1 GR R81
AS568B-125/SAE 10R1 GR R81 ✓ 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 AS568B-125/SAE 10R1 GR R81 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 5331-00-482-4333, 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
AS568B-125/SAE 10R1 GR R81
NSN: 5331-00-482-4333
FSC: 5331 — O-RING
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
Part NumberAS568B-125/SAE 10R1 GR R81
NSN5331-00-482-4333
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS568B-125/SAE 10R1 GR R81 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
•
HARDNESS RATING: 80.0 SHORE DUROMETER A NOMINAL
•
TEMP RATING: -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
•
CENTER HOLE DIAMETER: 1.295 INCHES MINIMUM AND 1.307 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
MATERIAL: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
•
OUTSIDE DIAMETER: 1.424 INCHES MINIMUM AND 1.458 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING80.0 SHORE DUROMETER A NOMINAL
TEMP RATING-70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
CENTER HOLE DIAMETER1.295 INCHES MINIMUM AND 1.307 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MATERIALRUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
OUTSIDE DIAMETER1.424 INCHES MINIMUM AND 1.458 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
HF15-5-770HMP0RM1PCTInterchangeable
interchangeable cross-reference
interchangeable
115-001Interchangeable
interchangeable cross-reference
interchangeable
216-01682-1Interchangeable
interchangeable cross-reference
interchangeable
115990Interchangeable
interchangeable cross-reference
interchangeable
CT903Interchangeable
interchangeable cross-reference
interchangeable
5H177Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS568B-125/SAE 10R1 GR R81?
AS568B-125/SAE 10R1 GR R81 is a AS568B-125/SAE 10R1 GR R81.
What parts can replace AS568B-125/SAE 10R1 GR R81?
There are 19 known substitutes for AS568B-125/SAE 10R1 GR R81: HF15-5-770HMP0RM1PCT, 115-001, 216-01682-1 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS568B-125/SAE 10R1 GR R81?
AS568B-125/SAE 10R1 GR R81 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-482-4333. 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