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263-4794 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

263-4794: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: GRAPHITE OVERALL, hole_diameter: 10.7 MILLIMETERS MINIMUM AND 11.3 MILLIMETERS MAXIMUM LOCATION NOT OTHERWISE SPECIFIED MM, aperture_width: 33.0 MILLIMETERS NOMINAL MM, aperture_length: 53.0 MILLIMETERS NOMINAL MM, special_features: 4 RECTANGULAR APERATURES; INSIDE RADIUS OF APERATURE IS 10; WEIGHT IS 0.056 KG KG, end_item_identification: GENERATOR SET, SHIP SERVICE DIESEL NO. 1 & NO.

2. This part is cataloged in the U.S. Government catalog under NSN 5330-01-535-4173, 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
263-4794
NSN: 5330-01-535-4173
FSC: 5330 — Packing and Gasket Materials
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialGRAPHITE OVERALL
hole_diameter10.7 MILLIMETERS MINIMUM AND 11.3 MILLIMETERS MAXIMUM LOCATION NOT OTHERWISE SPECIFIED MM
aperture_width33.0 MILLIMETERS NOMINAL MM
aperture_length53.0 MILLIMETERS NOMINAL MM
special_features4 RECTANGULAR APERATURES; INSIDE RADIUS OF APERATURE IS 10; WEIGHT IS 0.056 KG KG
bolt_hole_quantity8
end_item_identificationGENERATOR SET, SHIP SERVICE DIESEL NO. 1 & NO. 2
cross-sectional_thickness1.5 MILLIMETERS NOMINAL MM
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-01-535-4173
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 263-4794 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: 1.5 MILLIMETERS NOMINAL MM
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE WIDTH: 33.0 MILLIMETERS NOMINAL MM
•
APERTURE LENGTH: 53.0 MILLIMETERS NOMINAL MM
•
BOLT HOLE QUANTITY: 8
•
MATERIAL: GRAPHITE OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS1.5 MILLIMETERS NOMINAL MM
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
APERTURE WIDTH33.0 MILLIMETERS NOMINAL MM
APERTURE LENGTH53.0 MILLIMETERS NOMINAL MM
BOLT HOLE QUANTITY8
SPECIAL FEATURES4 RECTANGULAR APERATURES; INSIDE RADIUS OF APERATURE IS 10; WEIGHT IS 0.056 KG KG
END ITEM IDENTIFICATIONGENERATOR SET, SHIP SERVICE DIESEL NO. 1 & NO. 2
MATERIALGRAPHITE OVERALL
HOLE DIAMETER10.7 MILLIMETERS MINIMUM AND 11.3 MILLIMETERS MAXIMUM LOCATION NOT OTHERWISE SPECIFIED MM
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

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 263-4794?
263-4794 is a GASKET.
What is the NSN for 263-4794?
263-4794 is cataloged in the U.S. Government catalog under NSN 5330-01-535-4173. This indicates validated use in U.S. government and defense supply chains.
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