MIL-G-12803 — GASKET

✓ Government record, cited

— · ORING SEAL

PRODUCT OVERVIEW

MIL-G-12803: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include hole_diameter: 0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_length: 5.010 INCHES NOMINAL IN, special_features: CONTAINS NON-ASBESTOS MATERIAL, style_designator: NON-CIRCULAR, aperture_diameter: 3.160 INCHES NOMINAL IN, bolt_circle_diameter: 4.160 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-290-7914, 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

MIL-G-12803

NSN: 5330-00-290-7914
NIINs: 002907914, 002911782, 003250198, 004673615, 005227839, 005302763, 005436079, 008743852, 009223476, 010046434, 013932482, 014494338
FSC: 5330 — Packing and Gasket Materials
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

hole_diameter	0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_length	5.010 INCHES NOMINAL IN
special_features	CONTAINS NON-ASBESTOS MATERIAL
style_designator	NON-CIRCULAR
aperture_diameter	3.160 INCHES NOMINAL IN
bolt_hole_quantity	7
bolt_circle_diameter	4.160 INCHES NOMINAL IN
outside_corner_radius	0.380 INCHES NOMINAL IN
cross-sectional_thickness	0.062 INCHES NOMINAL IN
environmental_attribute_code	ASBESTOS ALTERNATIVE PRODUCTS
side_radius_from_gasket_center	1.840 INCHES NOMINAL IN
material_document_and_classification	ASTM F104 F712100E33-6 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN	5330-00-290-7914

COMPONENT DIAGRAM

KEY FEATURES

•

LENGTH: 12.000 INCHES NOMINAL IN

•

FIBER TYPE: PLANT

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803,NO. F326128-6 MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED

•

ENVIRONMENTAL PROTECTION: OIL RESISTANT AND GASOLINE AND MILDEW RESISTANT AND ETHER AND CARBON DISULFIDE AND CHLOROFORM AND BENZOL AND CARBON TETRACHLORIDE

•

WIDTH: 12.000 INCHES NOMINAL IN

•

MATERIAL: PAPER LOCATION NOT OTHERWISE SPECIFIED

•

THICKNESS: 0.031 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

LENGTH	12.000 INCHES NOMINAL IN
FIBER TYPE	PLANT
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-G-12803,NO. F326128-6 MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
SPECIAL FEATURES	MIL-G-12803I/N F326 28M6
ENVIRONMENTAL PROTECTION	OIL RESISTANT AND GASOLINE AND MILDEW RESISTANT AND ETHER AND CARBON DISULFIDE AND CHLOROFORM AND BENZOL AND CARBON TETRACHLORIDE
WIDTH	12.000 INCHES NOMINAL IN
MATERIAL	PAPER LOCATION NOT OTHERWISE SPECIFIED
THICKNESS	0.031 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 3

H-5107 PIECE 74Reference document

Same NSN cross-reference

Reference document — Secondary reference

ASTM F104Reference document

Same NSN cross-reference

Reference document — Identification reference

H-2697 PIECE 179Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is MIL-G-12803?

MIL-G-12803 is a GASKET.

What parts can replace MIL-G-12803?

There are 3 known substitutes for MIL-G-12803: H-5107 PIECE 74, ASTM F104, H-2697 PIECE 179. Substitute compatibility should be verified for your specific system.

What is the NSN for MIL-G-12803?

MIL-G-12803 is cataloged in the U.S. Government catalog under NSN 5330-00-290-7914. This indicates validated use in U.S. government and defense supply chains.

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