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AS3581-127 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AS3581-127: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, temp_rating: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, outside_diameter: 1.612 INCHES MINIMUM AND 1.648 INCHES MAXIMUM IN, center_hole_diameter: 1.412 INCHES MINIMUM AND 1.436 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-167-5115, 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
AS3581-127
NSN: 5331-00-167-5115
FSC: 5331 — O-ring
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
temp_rating-15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A NOMINAL
outside_diameter1.612 INCHES MINIMUM AND 1.648 INCHES MAXIMUM IN
center_hole_diameter1.412 INCHES MINIMUM AND 1.436 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5331-00-167-5115
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS3581-127 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
•
TEMP RATING: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.612 INCHES MINIMUM AND 1.648 INCHES MAXIMUM IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CENTER HOLE DIAMETER: 1.412 INCHES MINIMUM AND 1.436 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS
TEMP RATING-15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.612 INCHES MINIMUM AND 1.648 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER1.412 INCHES MINIMUM AND 1.436 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
SUBSTITUTES & CROSS-REFERENCES 8
5331PL0844879Reference document
Same NSN cross-reference
Reference document — Informative reference only
AS3209-127Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
513CK-127Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2-127V1226-75Reference document
Same NSN cross-reference
Reference document — Secondary reference
4D96182ITEM4Reference document
Same NSN cross-reference
Reference document — Secondary reference
6843333-127Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AS3581-127?
AS3581-127 is a O-RING.
What parts can replace AS3581-127?
There are 8 known substitutes for AS3581-127: 5331PL0844879, AS3209-127, 513CK-127 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS3581-127?
AS3581-127 is cataloged in the U.S. Government catalog under NSN 5331-00-167-5115. 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.