PartsTable
Technical Data Sheet
AS568B-129 ✓ 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 material: RUBBER ETHYLENE-PROPYLENE CLASS EPM, temp_rating: -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, hardness_rating: 80.0 SHORE DUROMETER A NOMINAL, outside_diameter: 1.734 INCHES MINIMUM AND 1.776 INCHES MAXIMUM IN, center_hole_diameter: 1.534 INCHES MINIMUM AND 1.564 INCHES MAXIMUM IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-492-0575, 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-129
NSN: 5331-00-492-0575
FSC: 5331 — O-RING
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE CLASS EPM
temp_rating-70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
hardness_rating80.0 SHORE DUROMETER A NOMINAL
outside_diameter1.734 INCHES MINIMUM AND 1.776 INCHES MAXIMUM IN
center_hole_diameter1.534 INCHES MINIMUM AND 1.564 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5331-00-492-0575
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS568B-129 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: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
HARDNESS RATING: 80.0 SHORE DUROMETER A NOMINAL
OUTSIDE DIAMETER: 1.734 INCHES MINIMUM AND 1.776 INCHES MAXIMUM IN
CENTER HOLE DIAMETER: 1.534 INCHES MINIMUM AND 1.564 INCHES MAXIMUM IN
MATERIAL: RUBBER ETHYLENE-PROPYLENE CLASS EPM
TEMP RATING: -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
HARDNESS RATING80.0 SHORE DUROMETER A NOMINAL
OUTSIDE DIAMETER1.734 INCHES MINIMUM AND 1.776 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.534 INCHES MINIMUM AND 1.564 INCHES MAXIMUM IN
MATERIALRUBBER ETHYLENE-PROPYLENE CLASS EPM
TEMP RATING-70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
NAS1611-129Interchangeable
interchangeable cross-reference
interchangeable
5331PL2182391Interchangeable
interchangeable cross-reference
interchangeable
NAS1613Interchangeable
interchangeable cross-reference
interchangeable
2-134E540-80Interchangeable
interchangeable cross-reference
interchangeable
CAT. ORD. 5700Interchangeable
interchangeable cross-reference
interchangeable
2-130 E540-80Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS568B-129?
AS568B-129 is a O-RING.
What parts can replace AS568B-129?
There are 29 known substitutes for AS568B-129: NAS1611-129, 5331PL2182391, NAS1613 and 26 more. Substitute compatibility should be verified for your specific system.
Is AS568B-129 still available?
AS568B-129 is currently cancelled.
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