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3256479-1 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3256479-1: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYPROPYLENE OVERALL, hole_diameter: 0.273 INCHES MINIMUM AND 0.282 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 3.120 INCHES NOMINAL IN, aperture_width: 1.440 INCHES NOMINAL IN, overall_length: 4.620 INCHES NOMINAL IN, aperture_length: 2.940 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-259-2653, 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
3256479-1
NSN: 5330-01-259-2653
FSC: 5330 — Packing and Gasket Materials
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialPLASTIC POLYPROPYLENE OVERALL
hole_diameter0.273 INCHES MINIMUM AND 0.282 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
overall_width3.120 INCHES NOMINAL IN
aperture_width1.440 INCHES NOMINAL IN
overall_length4.620 INCHES NOMINAL IN
aperture_length2.940 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
bolt_hole_quantity6
material_document_and_classificationPPP-C-1797 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
outside_edge_to_bolt_hole_center_distance_along_width0.792 INCHES NOMINAL IN
center_to_center_distance_between_bolt_holes_along_width1.156 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_edge_to_inside_edge_smallest_distance_along_width0.840 INCHES NOMINAL IN
NSN5330-01-259-2653
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3256479-1 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
•
OUTSIDE EDGE TO INSIDE EDGE SMALLEST DISTANCE ALONG WIDTH: 0.840 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: PPP-C-1797 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
APERTURE WIDTH: 1.440 INCHES NOMINAL IN
•
APERTURE LENGTH: 2.940 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 6
TECHNICAL CHARACTERISTICS
OUTSIDE EDGE TO INSIDE EDGE SMALLEST DISTANCE ALONG WIDTH0.840 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONPPP-C-1797 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH4.620 INCHES NOMINAL IN
OVERALL WIDTH3.120 INCHES NOMINAL IN
APERTURE WIDTH1.440 INCHES NOMINAL IN
APERTURE LENGTH2.940 INCHES NOMINAL IN
BOLT HOLE QUANTITY6
OUTSIDE EDGE TO INSIDE EDGE SMALLEST DISTANCE ALONG LENGTH0.840 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH1.156 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

No substitute or cross-reference records for this part.

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 3256479-1?
3256479-1 is a GASKET.
What is the NSN for 3256479-1?
3256479-1 is cataloged in the U.S. Government catalog under NSN 5330-01-259-2653. This indicates validated use in U.S. government and defense supply chains.
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