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064-20802 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

064-20802: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include outside_diameter: 21.562 INCHES NOMINAL IN, aperture_diameter: 21.031 INCHES NOMINAL IN, cross-sectional_thickness: 0.032 INCHES NOMINAL IN, environmental_attribute_code: ASBESTOS ALTERNATIVE PRODUCTS. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-385-7836, 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
064-20802
NSN: 5330-00-385-7836
NIINs: 003857836, 014316578
FSC: 5330 — Packing and Gasket Materials
CAGE: 66935 — JOHNSON CONTROLS NAVY SYSTEMS, LLC (USA)
SPECIFICATIONS
outside_diameter21.562 INCHES NOMINAL IN
aperture_diameter21.031 INCHES NOMINAL IN
cross-sectional_thickness0.032 INCHES NOMINAL IN
environmental_attribute_codeASBESTOS ALTERNATIVE PRODUCTS
NSN5330-00-385-7836
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 064-20802 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 THICKNESS: 0.031 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 21.562 INCHES NOMINAL IN
•
APERTURE DIAMETER: 2.031 INCHES NOMINAL IN
•
MATERIAL: ASBESTOS OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER21.562 INCHES NOMINAL IN
APERTURE DIAMETER2.031 INCHES NOMINAL IN
MATERIALASBESTOS OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 064-20802?
064-20802 is a GASKET.
What is the NSN for 064-20802?
064-20802 is cataloged in the U.S. Government catalog under NSN 5330-00-385-7836. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.