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1053-D802-3 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1053-D802-3: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: FIBER NONASBESTOS OVERALL, hole_diameter: 0.350 INCHES MINIMUM AND 0.380 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 4.220 INCHES MINIMUM AND 4.280 INCHES MAXIMUM IN, aperture_width: 2.220 INCHES MINIMUM AND 2.280 INCHES MAXIMUM IN, overall_length: 8.600 INCHES MINIMUM AND 8.660 INCHES MAXIMUM IN, aperture_length: 6.600 INCHES MINIMUM AND 6.660 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-392-3451, 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
1053-D802-3
NSN: 5330-01-392-3451
FSC: 5330 — Packing and Gasket Materials
CAGE: 60756 — CEPEDA ASSOCIATES, INC. DBA CEPEDA ASSOCIATES INC (USA)
SPECIFICATIONS
materialFIBER NONASBESTOS OVERALL
hole_diameter0.350 INCHES MINIMUM AND 0.380 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
overall_width4.220 INCHES MINIMUM AND 4.280 INCHES MAXIMUM IN
aperture_width2.220 INCHES MINIMUM AND 2.280 INCHES MAXIMUM IN
overall_length8.600 INCHES MINIMUM AND 8.660 INCHES MAXIMUM IN
aperture_length6.600 INCHES MINIMUM AND 6.660 INCHES MAXIMUM IN
style_designatorNON-CIRCULAR
bolt_hole_quantity6
cross-sectional_thickness0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationC-4401,CAGEC-9U500 MFR REF SINGLE MATERIAL RESPONSE OVERALL
outside_edge_to_bolt_hole_center_distance_along_width0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
NSN5330-01-392-3451
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1053-D802-3 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: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: C-4401,CAGEC-9U500 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE WIDTH: 2.220 INCHES MINIMUM AND 2.280 INCHES MAXIMUM IN
•
APERTURE LENGTH: 6.600 INCHES MINIMUM AND 6.660 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONC-4401,CAGEC-9U500 MFR REF SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH8.600 INCHES MINIMUM AND 8.660 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH4.220 INCHES MINIMUM AND 4.280 INCHES MAXIMUM IN
APERTURE WIDTH2.220 INCHES MINIMUM AND 2.280 INCHES MAXIMUM IN
APERTURE LENGTH6.600 INCHES MINIMUM AND 6.660 INCHES MAXIMUM IN
BOLT HOLE QUANTITY6
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH3.813 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
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
1053-D100-21Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1053-D802-3?
1053-D802-3 is a GASKET.
What parts can replace 1053-D802-3?
There is 1 known substitute for 1053-D802-3: 1053-D100-21. Substitute compatibility should be verified for your specific system.
What is the NSN for 1053-D802-3?
1053-D802-3 is cataloged in the U.S. Government catalog under NSN 5330-01-392-3451. 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.