PartsTable
Technical Data Sheet
Download PDF

AS3581-475 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AS3581-475: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, hardness_rating: 90.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 25.940 INCHES NOMINAL IN, cross-sectional_height: 0.275 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-586-7512, 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
AS3581-475
NSN: 5331-01-586-7512
FSC: 5331 — O-ring
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
hardness_rating90.0 SHORE DUROMETER A NOMINAL
center_hole_diameter25.940 INCHES NOMINAL IN
cross-sectional_height0.275 INCHES NOMINAL IN
NSN5331-01-586-7512
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS3581-475 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: 0.275 INCHES NOMINAL IN
•
HARDNESS RATING: 90.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 25.940 INCHES NOMINAL IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.275 INCHES NOMINAL IN
HARDNESS RATING90.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER25.940 INCHES NOMINAL IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
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 4
SAE-AS3581Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
M83248/2-475Reference document
Same NSN cross-reference
Reference document — Secondary reference
999-6520-A-003 REV B ITEM 89AReference document
Same NSN cross-reference
Reference document — Secondary reference
700-475-433CReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy AS3581-475?
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 AS3581-475?
AS3581-475 is a O-RING.
What parts can replace AS3581-475?
There are 4 known substitutes for AS3581-475: SAE-AS3581, M83248/2-475, 999-6520-A-003 REV B ITEM 89A and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS3581-475?
AS3581-475 is cataloged in the U.S. Government catalog under NSN 5331-01-586-7512. 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 — AS3581-475