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PartsTable / O-RING / SAE AS568B-158
SAE AS568B-158 ✓ 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, outside_diameter: 4.943 INCHES NOMINAL IN, center_hole_diameter: 4.707 INCHES MINIMUM AND 4.767 INCHES MAXIMUM IN, cross-sectional_height: 0.103 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-683-9569, 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
SAE AS568B-158
NSN: 5331-00-683-9569
FSC: 5331 — O-RING
CAGE: 0VH01 — SAE CUSTOMER SERVICE DEPT 2045 (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
outside_diameter4.943 INCHES NOMINAL IN
center_hole_diameter4.707 INCHES MINIMUM AND 4.767 INCHES MAXIMUM IN
cross-sectional_height0.103 INCHES NOMINAL IN
NSN5331-00-683-9569
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SAE AS568B-158 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: 0.103 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 4.943 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 4.707 INCHES MINIMUM AND 4.767 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.103 INCHES NOMINAL IN
OUTSIDE DIAMETER4.943 INCHES NOMINAL IN
CENTER HOLE DIAMETER4.707 INCHES MINIMUM AND 4.767 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
0J/C29000010Interchangeable
interchangeable cross-reference
interchangeable
AS568-010 3CH915B34EO16EO36Interchangeable
interchangeable cross-reference
interchangeable
AS568BInterchangeable
interchangeable cross-reference
interchangeable
ARP568-218MILG24102Interchangeable
interchangeable cross-reference
interchangeable
MIL-G-23652 TY2Interchangeable
interchangeable cross-reference
interchangeable
575-6709-1443528REVAPC5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SAE AS568B-158?
SAE AS568B-158 is a O-RING.
What parts can replace SAE AS568B-158?
There are 25 known substitutes for SAE AS568B-158: 0J/C29000010, AS568-010 3CH915B34EO16EO36, AS568B and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SAE AS568B-158?
SAE AS568B-158 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-683-9569. 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