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290339-6-A — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

290339-6-A: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: CELLULOSE OR FIBER OVERALL, hole_diameter: 1.562 INCHES MINIMUM LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 8.750 INCHES NOMINAL IN, overall_length: 9.750 INCHES NOMINAL IN, style_designator: NON-CIRCULAR, aperture_diameter: 6.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-314-6793, 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
290339-6-A
NSN: 5330-01-314-6793
FSC: 5330 — Packing and Gasket Materials
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialCELLULOSE OR FIBER OVERALL
hole_diameter1.562 INCHES MINIMUM LOCATION NOT OTHERWISE SPECIFIED IN
overall_width8.750 INCHES NOMINAL IN
overall_length9.750 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
aperture_diameter6.000 INCHES NOMINAL IN
bolt_hole_quantity4
outside_corner_radius1.375 INCHES NOMINAL IN
cross-sectional_thickness0.006 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-P-20085 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
center_to_center_distance_between_bolt_holes_along_width7.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
NSN5330-01-314-6793
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 290339-6-A 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: 0.006 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-20085 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE DIAMETER: 6.000 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 4
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.006 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-20085 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH9.750 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH8.750 INCHES NOMINAL IN
APERTURE DIAMETER6.000 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH7.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH7.000 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 3
290339PC6Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
290339-6Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
290339 PIECE 6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 290339-6-A?
290339-6-A is a GASKET.
What parts can replace 290339-6-A?
There are 3 known substitutes for 290339-6-A: 290339PC6, 290339-6, 290339 PIECE 6. Substitute compatibility should be verified for your specific system.
What is the NSN for 290339-6-A?
290339-6-A is cataloged in the U.S. Government catalog under NSN 5330-01-314-6793. 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.