PartsTable
Technical Data Sheet
Download PDF

AS3581-250 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AS3581-250: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER, center_hole_diameter: 4.940 INCHES MINIMUM AND 5.019 INCHES MAXIMUM IN, end_item_identification: VALVE,RELIEF, specification/standard_data: ATERIAL IS VITON MIL-R-83248/1;WEIGHT 0.25 LBS MANUFACTURERS STANDARD LBS. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-616-8659, 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
AS3581-250
NSN: 5331-01-616-8659
FSC: 5331 — O-ring
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialRUBBER
center_hole_diameter4.940 INCHES MINIMUM AND 5.019 INCHES MAXIMUM IN
end_item_identificationVALVE,RELIEF
specification/standard_dataATERIAL IS VITON MIL-R-83248/1;WEIGHT 0.25 LBS MANUFACTURERS STANDARD LBS
NSN5331-01-616-8659
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS3581-250 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
•
SPECIFICATION/STANDARD DATA: ATERIAL IS VITON MIL-R-83248/1;WEIGHT 0.25 LBS MANUFACTURERS STANDARD LBS
•
CENTER HOLE DIAMETER: 4.940 INCHES MINIMUM AND 5.019 INCHES MAXIMUM IN
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
SPECIFICATION/STANDARD DATAATERIAL IS VITON MIL-R-83248/1;WEIGHT 0.25 LBS MANUFACTURERS STANDARD LBS
CENTER HOLE DIAMETER4.940 INCHES MINIMUM AND 5.019 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONVALVE,RELIEF
MATERIALRUBBER
SUBSTITUTES & CROSS-REFERENCES 2
SAE-AS3581Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
AS568-250Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy AS3581-250?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is AS3581-250?
AS3581-250 is a O-RING.
What parts can replace AS3581-250?
There are 2 known substitutes for AS3581-250: SAE-AS3581, AS568-250. Substitute compatibility should be verified for your specific system.
What is the NSN for AS3581-250?
AS3581-250 is cataloged in the U.S. Government catalog under NSN 5331-01-616-8659. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — AS3581-250