PartsTable
Technical Data Sheet
AS3581-908 ✓ 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: 90.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 0.636 INCHES MINIMUM AND 0.653 INCHES MAXIMUM IN, cross-sectional_height: 0.084 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN, end_item_identification: AIRCRAFT ENGINE AE2100D3, KC130J, criticality_code_justification: AGAV. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-167-5173, 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
AS3581-908
NSN: 5331-00-167-5173
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_diameter0.636 INCHES MINIMUM AND 0.653 INCHES MAXIMUM IN
cross-sectional_height0.084 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN
end_item_identificationAIRCRAFT ENGINE AE2100D3, KC130J
criticality_code_justificationAGAV
material_document_and_classificationMIL-R-83248/2 MIL SPEC SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agency(INAVY)PACKING,AIRCRAFT,MA
NSN5331-00-167-5173
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS3581-908 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
CENTER HOLE DIAMETER: 0.635 INCHES MINIMUM AND 0.653 INCHES MAXIMUM IN
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
CRITICALITY CODE JUSTIFICATION: AGAV
HARDNESS RATING: 90.0 SHORE DUROMETER A NOMINAL
OUTSIDE DIAMETER: 0.818 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT: 0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
TEMP RATING: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER0.635 INCHES MINIMUM AND 0.653 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
CRITICALITY CODE JUSTIFICATIONAGAV
HARDNESS RATING90.0 SHORE DUROMETER A NOMINAL
OUTSIDE DIAMETER0.818 INCHES NOMINAL IN
END ITEM IDENTIFICATIONLAUNCHING ACCESSORIES
CROSS-SECTIONAL HEIGHT0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
TEMP RATING-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
405393Interchangeable
interchangeable cross-reference
interchangeable
M83248-2-908CPInterchangeable
interchangeable cross-reference
interchangeable
63020 ITEM 14Interchangeable
interchangeable cross-reference
interchangeable
63020 ITEM 14CPInterchangeable
interchangeable cross-reference
interchangeable
675-00908Interchangeable
interchangeable cross-reference
interchangeable
86579908-16407Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS3581-908?
AS3581-908 is a O-RING.
What parts can replace AS3581-908?
There are 25 known substitutes for AS3581-908: 405393, M83248-2-908CP, 63020 ITEM 14 and 22 more. Substitute compatibility should be verified for your specific system.
Is AS3581-908 still available?
AS3581-908 is currently cancelled.
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