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AS3581-470 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AS3581-470: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, center_hole_diameter: 20.955 INCHES NOMINAL IN, cross-sectional_height: 0.275 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-428-7166, 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
AS3581-470
NSN: 5331-01-428-7166
FSC: 5331 — O-ring
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
center_hole_diameter20.955 INCHES NOMINAL IN
cross-sectional_height0.275 INCHES NOMINAL IN
NSN5331-01-428-7166
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS3581-470 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
•
CENTER HOLE DIAMETER: 20.955 INCHES NOMINAL IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.275 INCHES NOMINAL IN
CENTER HOLE DIAMETER20.955 INCHES NOMINAL IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
SUBSTITUTES & CROSS-REFERENCES 5
M83248/2-470Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
RX-192369 ITEM 16Reference document
Same NSN cross-reference
Reference document — Secondary reference
807220-48Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
211056400Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 AS3581-470?
AS3581-470 is a O-RING.
What parts can replace AS3581-470?
There are 5 known substitutes for AS3581-470: M83248/2-470, RX-192369 ITEM 16, 807220-48 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS3581-470?
AS3581-470 is cataloged in the U.S. Government catalog under NSN 5331-01-428-7166. 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.