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Technical Data Sheet
PartsTable / O-RING / AS3582-218
AS3582-218 ✓ 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 SILICONE CLASS Q, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 1.492 INCHES MINIMUM AND 1.532 INCHES MAXIMUM IN, center_hole_diameter: 1.228 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-881-1234, 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
AS3582-218
NSN: 5331-00-881-1234
FSC: 5331 — O-RING
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q
hardness_rating70.0 SHORE DUROMETER A NOMINAL
outside_diameter1.492 INCHES MINIMUM AND 1.532 INCHES MAXIMUM IN
center_hole_diameter1.228 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-00-881-1234
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS3582-218 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: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.228 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SILICONE CLASS Q
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
OUTSIDE DIAMETER: 1.492 INCHES MINIMUM AND 1.532 INCHES MAXIMUM IN
•
ELONGATION PERCENTAGE: 125 MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.228 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN
MATERIALRUBBER SILICONE CLASS Q
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
OUTSIDE DIAMETER1.492 INCHES MINIMUM AND 1.532 INCHES MAXIMUM IN
ELONGATION PERCENTAGE125 MAXIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
AS568-902Interchangeable
interchangeable cross-reference
interchangeable
TR-RG30Interchangeable
interchangeable cross-reference
interchangeable
AS568-902AMS3304Interchangeable
interchangeable cross-reference
interchangeable
AS3582-029Interchangeable
interchangeable cross-reference
interchangeable
2-029 S604-70Interchangeable
interchangeable cross-reference
interchangeable
MS-9068-029Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS3582-218?
AS3582-218 is a O-RING.
What parts can replace AS3582-218?
There are 30 known substitutes for AS3582-218: AS568-902, TR-RG30, AS568-902AMS3304 and 27 more. Substitute compatibility should be verified for your specific system.
Is AS3582-218 still available?
AS3582-218 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026