PartsTable
Technical Data Sheet
SAE AS568B-908 ✓ 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 SILICONE CLASS Q, temp_rating: -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 0.803 INCHES MINIMUM AND 0.833 INCHES MAXIMUM IN, center_hole_diameter: 0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN, cross-sectional_height: 0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM 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 5331-01-132-3422, 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-908
NSN: 5331-01-132-3422
FSC: 5331 — O-RING
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q
temp_rating-65.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF
hardness_rating70.0 SHORE DUROMETER A NOMINAL
outside_diameter0.803 INCHES MINIMUM AND 0.833 INCHES MAXIMUM IN
center_hole_diameter0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN
cross-sectional_height0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
NSN5331-01-132-3422
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SAE AS568B-908 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: 70.0 SHORE DUROMETER A NOMINAL
OUTSIDE DIAMETER: 0.803 INCHES MINIMUM AND 0.833 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT: 0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
TEMP RATING: -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF
MATERIAL: RUBBER SILICONE CLASS Q
CENTER HOLE DIAMETER: 0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
OUTSIDE DIAMETER0.803 INCHES MINIMUM AND 0.833 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
TEMP RATING-65.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF
MATERIALRUBBER SILICONE CLASS Q
CENTER HOLE DIAMETER0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
BK107Interchangeable
interchangeable cross-reference
interchangeable
54-67-6908Interchangeable
interchangeable cross-reference
interchangeable
AMS7276Interchangeable
interchangeable cross-reference
interchangeable
AMS3303Interchangeable
interchangeable cross-reference
interchangeable
AS568-908Interchangeable
interchangeable cross-reference
interchangeable
3-908 S604-70Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SAE AS568B-908?
SAE AS568B-908 is a O-RING.
What parts can replace SAE AS568B-908?
There are 23 known substitutes for SAE AS568B-908: BK107, 54-67-6908, AMS7276 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SAE AS568B-908?
SAE AS568B-908 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-132-3422. This indicates validated use in U.S. government and defense supply chains.
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