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279308-8 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

279308-8: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: PAPER AND GLUE OVERALL, hole_diameter: 0.459 INCHES MINIMUM AND 0.479 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 2.615 INCHES MINIMUM AND 2.635 INCHES MAXIMUM IN, overall_length: 2.615 INCHES MINIMUM AND 2.635 INCHES MAXIMUM IN, aperture_diameter: 1.750 INCHES MINIMUM AND 1.780 INCHES MAXIMUM IN, bolt_circle_diameter: 2.552 INCHES MINIMUM AND 2.572 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-313-7977, 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
279308-8
NSN: 5330-01-313-7977
FSC: 5330 — Packing and Gasket Materials
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialPAPER AND GLUE OVERALL
hole_diameter0.459 INCHES MINIMUM AND 0.479 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
overall_width2.615 INCHES MINIMUM AND 2.635 INCHES MAXIMUM IN
overall_length2.615 INCHES MINIMUM AND 2.635 INCHES MAXIMUM IN
aperture_diameter1.750 INCHES MINIMUM AND 1.780 INCHES MAXIMUM IN
bolt_hole_quantity4
bolt_circle_diameter2.552 INCHES MINIMUM AND 2.572 INCHES MAXIMUM IN
outside_corner_radius1.770 INCHES MINIMUM AND 1.790 INCHES MAXIMUM IN
cross-sectional_thickness0.005 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-01-313-7977
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 279308-8 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: 0.005 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE DIAMETER: 1.750 INCHES MINIMUM AND 1.780 INCHES MAXIMUM IN
•
BOLT HOLE QUANTITY: 4
•
BOLT CIRCLE DIAMETER: 2.552 INCHES MINIMUM AND 2.572 INCHES MAXIMUM IN
•
OUTSIDE CORNER RADIUS: 1.770 INCHES MINIMUM AND 1.790 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.005 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
OVERALL LENGTH2.615 INCHES MINIMUM AND 2.635 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH2.615 INCHES MINIMUM AND 2.635 INCHES MAXIMUM IN
APERTURE DIAMETER1.750 INCHES MINIMUM AND 1.780 INCHES MAXIMUM IN
BOLT HOLE QUANTITY4
BOLT CIRCLE DIAMETER2.552 INCHES MINIMUM AND 2.572 INCHES MAXIMUM IN
OUTSIDE CORNER RADIUS1.770 INCHES MINIMUM AND 1.790 INCHES MAXIMUM IN
MATERIALPAPER AND GLUE OVERALL
HOLE DIAMETER0.459 INCHES MINIMUM AND 0.479 INCHES MAXIMUM 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

No substitute or cross-reference records for this part.

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 279308-8?
279308-8 is a GASKET.
What is the NSN for 279308-8?
279308-8 is cataloged in the U.S. Government catalog under NSN 5330-01-313-7977. 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.