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Technical Data Sheet
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582868 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include material: LEATHER CATTLEHIDE OVERALL, outside_diameter: 2.859 INCHES MINIMUM AND 2.891 INCHES MAXIMUM IN, style_designator: CIRCULAR, aperture_diameter: 2.499 INCHES NOMINAL IN, cross-sectional_thickness: 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-058-2868, 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
582868
NSN: 5330-00-058-2868
FSC: 5330
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialLEATHER CATTLEHIDE OVERALL
outside_diameter2.859 INCHES MINIMUM AND 2.891 INCHES MAXIMUM IN
style_designatorCIRCULAR
aperture_diameter2.499 INCHES NOMINAL IN
cross-sectional_thickness0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-R-5521 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-058-2868
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 582868 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
•
APERTURE DIAMETER: 2.499 INCHES NOMINAL IN
•
MATERIAL: LEATHER CATTLEHIDE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-5521 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 2.859 INCHES MINIMUM AND 2.891 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL THICKNESS: 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
APERTURE DIAMETER2.499 INCHES NOMINAL IN
MATERIALLEATHER CATTLEHIDE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-5521 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER2.859 INCHES MINIMUM AND 2.891 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL THICKNESS0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
582813Interchangeable
interchangeable cross-reference
interchangeable
MILR5521Interchangeable
interchangeable cross-reference
interchangeable
AN6246PC23Interchangeable
interchangeable cross-reference
interchangeable
1283-218Interchangeable
interchangeable cross-reference
interchangeable
P793Interchangeable
interchangeable cross-reference
interchangeable
582838Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 582868?
582868 is a GASKET.
What parts can replace 582868?
There are 18 known substitutes for 582868: 582813, MILR5521, AN6246PC23 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 582868?
582868 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-058-2868. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026