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Technical Data Sheet
AS568-125 ✓ 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 BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: -35.0 FAHRENHEIT AND 212.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 1.487 INCHES MINIMUM AND 1.523 INCHES MAXIMUM IN, center_hole_diameter: 1.293 INCHES MINIMUM AND 1.302 INCHES MAXIMUM IN, elongation_percentage: 330 MAXIMUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-432-8253, 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
AS568-125
NSN: 5331-00-432-8253
FSC: 5331 — O-RING
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-35.0 FAHRENHEIT AND 212.0 FAHRENHEIT DEGF
hardness_rating70.0 SHORE DUROMETER A NOMINAL
outside_diameter1.487 INCHES MINIMUM AND 1.523 INCHES MAXIMUM IN
center_hole_diameter1.293 INCHES MINIMUM AND 1.302 INCHES MAXIMUM IN
elongation_percentage330 MAXIMUM
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5331-00-432-8253
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS568-125 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: 1.293 INCHES MINIMUM AND 1.302 INCHES MAXIMUM IN
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
OUTSIDE DIAMETER: 1.487 INCHES MINIMUM AND 1.523 INCHES MAXIMUM IN
ELONGATION PERCENTAGE: 330 MAXIMUM
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
TEMP RATING: -35.0 FAHRENHEIT AND 212.0 FAHRENHEIT DEGF
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER1.293 INCHES MINIMUM AND 1.302 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
OUTSIDE DIAMETER1.487 INCHES MINIMUM AND 1.523 INCHES MAXIMUM IN
ELONGATION PERCENTAGE330 MAXIMUM
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
TEMP RATING-35.0 FAHRENHEIT AND 212.0 FAHRENHEIT DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
B 2575.146.578Interchangeable
interchangeable cross-reference
interchangeable
1N141300054Interchangeable
interchangeable cross-reference
interchangeable
2-125N674-70Interchangeable
interchangeable cross-reference
interchangeable
803-4384536-4XX 2-30Interchangeable
interchangeable cross-reference
interchangeable
A6689.125.222Interchangeable
interchangeable cross-reference
interchangeable
2-125E540-80Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS568-125?
AS568-125 is a O-RING.
What parts can replace AS568-125?
There are 11 known substitutes for AS568-125: B 2575.146.578, 1N141300054, 2-125N674-70 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS568-125?
AS568-125 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-432-8253. This indicates validated use in U.S. government and defense supply chains.
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