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2660304 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2660304: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY R-405 OR RUBBER SILICONE CLASS Q OVERALL, overall_width: 2.375 INCHES NOMINAL IN, overall_length: 2.375 INCHES NOMINAL IN, aperture_diameter: 0.875 INCHES NOMINAL IN, cross-sectional_shape_style: METAL AND SYNTHETIC RUBBER. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-059-5933, 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
2660304
NSN: 5330-01-059-5933
FSC: 5330 — Packing and Gasket Materials
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialNICKEL ALLOY R-405 OR RUBBER SILICONE CLASS Q OVERALL
overall_width2.375 INCHES NOMINAL IN
overall_length2.375 INCHES NOMINAL IN
aperture_diameter0.875 INCHES NOMINAL IN
bolt_hole_quantity8
cross-sectional_shape_styleMETAL AND SYNTHETIC RUBBER
NSN5330-01-059-5933
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2660304 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 SHAPE STYLE: METAL AND SYNTHETIC RUBBER
•
APERTURE DIAMETER: 0.875 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 8
•
MATERIAL: NICKEL ALLOY R-405 OR RUBBER SILICONE CLASS Q OVERALL
TECHNICAL CHARACTERISTICS
OVERALL LENGTH2.375 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEMETAL AND SYNTHETIC RUBBER
OVERALL WIDTH2.375 INCHES NOMINAL IN
APERTURE DIAMETER0.875 INCHES NOMINAL IN
BOLT HOLE QUANTITY8
MATERIALNICKEL ALLOY R-405 OR RUBBER SILICONE CLASS Q OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
344605Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 2660304?
2660304 is a GASKET.
What parts can replace 2660304?
There is 1 known substitute for 2660304: 344605. Substitute compatibility should be verified for your specific system.
What is the NSN for 2660304?
2660304 is cataloged in the U.S. Government catalog under NSN 5330-01-059-5933. 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.