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AS568B-270 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AS568B-270: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-182-8394, 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-270
NSN: 5331-01-182-8394
FSC: 5331 — O-ring
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
Part NumberAS568B-270
NSN5331-01-182-8394
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS568B-270 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
SUBSTITUTES & CROSS-REFERENCES 8
2-270N674-70Reference document
Same NSN cross-reference
Reference document — Secondary reference
91573398Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
WG115270Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MIL-G-21569B CL 1Reference document
Same NSN cross-reference
Reference document — Identification reference
D0551418Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
M83461/1-270Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AS568B-270?
AS568B-270 is a O-RING.
What parts can replace AS568B-270?
There are 8 known substitutes for AS568B-270: 2-270N674-70, 91573398, WG115270 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS568B-270?
AS568B-270 is cataloged in the U.S. Government catalog under NSN 5331-01-182-8394. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
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.