PartsTable
Technical Data Sheet
AS3581-903D7 ✓ 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. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-683-8275, 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
AS3581-903D7
NSN: 5331-01-683-8275
FSC: 5331 — O-RING
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
Part NumberAS3581-903D7
NSN5331-01-683-8275
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS3581-903D7 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
5331PL2211275Interchangeable
interchangeable cross-reference
interchangeable
3-903 V709-90Interchangeable
interchangeable cross-reference
interchangeable
SF10970-061Interchangeable
interchangeable cross-reference
interchangeable
AS3581-903Interchangeable
interchangeable cross-reference
interchangeable
SAE-AS3581Interchangeable
interchangeable cross-reference
interchangeable
8598317 ITEM 51Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS3581-903D7?
AS3581-903D7 is a O-RING.
What parts can replace AS3581-903D7?
There are 7 known substitutes for AS3581-903D7: 5331PL2211275, 3-903 V709-90, SF10970-061 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS3581-903D7?
AS3581-903D7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-683-8275. This indicates validated use in U.S. government and defense supply chains.
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