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AS3581-208 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AS3581-208: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM OVERALL, hardness_rating: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM OVERALL, peripheral_diameter: 0.887 INCHES NOMINAL IN, center_hole_diameter: 0.600 INCHES MINIMUM AND 0.618 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM, cross-sectional_shape_style: O-RING. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-348-0830, 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
AS3581-208
NSN: 5330-01-348-0830
FSC: 5330 — Packing and Gasket Materials
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM OVERALL
hardness_rating85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM OVERALL
peripheral_diameter0.887 INCHES NOMINAL IN
center_hole_diameter0.600 INCHES MINIMUM AND 0.618 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_shape_styleO-RING
cross_section_outside_diameter0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5330-01-348-0830
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS3581-208 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
•
HARDNESS RATING: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: O-RING
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
PERIPHERAL DIAMETER: 0.887 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.600 INCHES MINIMUM AND 0.618 INCHES MAXIMUM IN
•
CROSS SECTION OUTSIDE DIAMETER: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM OVERALL
TECHNICAL CHARACTERISTICS
HARDNESS RATING85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM OVERALL
CROSS-SECTIONAL SHAPE STYLEO-RING
ELONGATION PERCENTAGE125 MAXIMUM
PERIPHERAL DIAMETER0.887 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.600 INCHES MINIMUM AND 0.618 INCHES MAXIMUM IN
CROSS SECTION OUTSIDE DIAMETER0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM OVERALL
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 1
MIL-R-83248/2Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AS3581-208?
AS3581-208 is a PACKING,PREFORMED.
What parts can replace AS3581-208?
There is 1 known substitute for AS3581-208: MIL-R-83248/2. Substitute compatibility should be verified for your specific system.
What is the NSN for AS3581-208?
AS3581-208 is cataloged in the U.S. Government catalog under NSN 5330-01-348-0830. This indicates validated use in U.S. government and defense supply chains.
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