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Technical Data Sheet
PartsTable / O-RING / AS3581-014
AS3581-014 ✓ 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. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, hardness_rating: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM, outside_diameter: 0.629 INCHES NOMINAL IN, center_hole_diameter: 0.484 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-166-1086, 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
AS3581-014
NSN: 5331-00-166-1086
FSC: 5331 — O-RING
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
hardness_rating85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM
outside_diameter0.629 INCHES NOMINAL IN
center_hole_diameter0.484 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
departure_from_cited_documentCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
criticality_code_justificationZZZW
material_document_and_classificationMIL-G-23652,TY 2 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5331-00-166-1086
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS3581-014 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: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
OUTSIDE DIAMETER: 0.629 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.482 INCHES MINIMUM AND 0.496 INCHES MAXIMUM IN
•
TEMP RATING: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
HARDNESS RATING: 90.00 SHORE DUROMETER A NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
OUTSIDE DIAMETER0.629 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.482 INCHES MINIMUM AND 0.496 INCHES MAXIMUM IN
TEMP RATING-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
HARDNESS RATING90.00 SHORE DUROMETER A NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
3AX100Interchangeable
interchangeable cross-reference
interchangeable
7-5081 ITEM 54Interchangeable
interchangeable cross-reference
interchangeable
002017Interchangeable
interchangeable cross-reference
interchangeable
AS3209-116Interchangeable
interchangeable cross-reference
interchangeable
5-0-51-08-3Interchangeable
interchangeable cross-reference
interchangeable
QD1004-116Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS3581-014?
AS3581-014 is a O-RING.
What parts can replace AS3581-014?
There are 31 known substitutes for AS3581-014: 3AX100, 7-5081 ITEM 54, 002017 and 28 more. Substitute compatibility should be verified for your specific system.
Is AS3581-014 still available?
AS3581-014 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026