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AS568-904 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AS568-904: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include temp_rating: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF, hardness_rating: 90.0 SHORE DUROMETER A NOMINAL, peripheral_diameter: 0.495 INCHES NOMINAL IN, center_hole_diameter: 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN, cross-sectional_height: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN, criticality_code_justification: ZZZW. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-065-0234, 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
AS568-904
NSN: 5331-00-065-0234
NIINs: 000650234, 001675172, 001850366, 001876105, 005581901, 008918851, 009359136, 009839363, 009934671, 010353367, 010491292, 010775840, 012066123, 012310706, 012883806, 013318137, 017004143
FSC: 5331 — O-ring
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
temp_rating-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
hardness_rating90.0 SHORE DUROMETER A NOMINAL
peripheral_diameter0.495 INCHES NOMINAL IN
center_hole_diameter0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
cross-sectional_height0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
departure_from_cited_documentMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
criticality_code_justificationZZZW
NSN5331-00-065-0234
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS568-904 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: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.495 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SILICONE CLASS Q
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.495 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
MATERIALRUBBER SILICONE CLASS Q
SUBSTITUTES & CROSS-REFERENCES 1
ABS3303Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AS568-904?
AS568-904 is a O-RING.
What parts can replace AS568-904?
There is 1 known substitute for AS568-904: ABS3303. Substitute compatibility should be verified for your specific system.
What is the NSN for AS568-904?
AS568-904 is cataloged in the U.S. Government catalog under NSN 5331-00-065-0234. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.