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AS3581-270 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AS3581-270: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include end_item_identification: KC-46A A, part_name_assigned_by_controlling_agency: PACKING,PREFORMED, reference_number_differentiating_characteristics: ITEM IS FAA CERTIFIED. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-664-8772, 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
AS3581-270
NSN: 5331-01-664-8772
FSC: 5331 — O-ring
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
end_item_identificationKC-46A A
part_name_assigned_by_controlling_agencyPACKING,PREFORMED
reference_number_differentiating_characteristicsITEM IS FAA CERTIFIED
NSN5331-01-664-8772
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS3581-270 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
KEY FEATURES
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: ITEM IS FAA CERTIFIED
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYPACKING,PREFORMED
END ITEM IDENTIFICATIONKC-46A A
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSITEM IS FAA CERTIFIED
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 1
SAE-AS3581Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AS3581-270?
AS3581-270 is a O-RING.
What parts can replace AS3581-270?
There is 1 known substitute for AS3581-270: SAE-AS3581. Substitute compatibility should be verified for your specific system.
What is the NSN for AS3581-270?
AS3581-270 is cataloged in the U.S. Government catalog under NSN 5331-01-664-8772. This indicates validated use in U.S. government and defense supply chains.
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