The GASKET is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, hole_diameter: 0.531 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 6.956 INCHES NOMINAL IN, style_designator: NON-CIRCULAR, aperture_diameter: 4.281 INCHES NOMINAL IN, bolt_circle_diameter: 5.832 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5330-00-770-1749, 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
256191
NSN:5330-00-770-1749 FSC:5330 — Packing and Gasket Materials CAGE:08683 — BROCKWAY MOTOR TRUCKS DIV OF MACK TRUCKS INC (USA)
SPECIFICATIONS
material
PLASTIC POLYAMIDE NYLON AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
hole_diameter
0.531 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width
6.956 INCHES NOMINAL IN
style_designator
NON-CIRCULAR
aperture_diameter
4.281 INCHES NOMINAL IN
bolt_hole_quantity
4
bolt_circle_diameter
5.832 INCHES NOMINAL IN
outside_corner_radius
0.562 INCHES NOMINAL IN
cross-sectional_thickness
0.010 INCHES NOMINAL IN
cross-sectional_shape_style
CLOTH AND SYNTHETIC RUBBER, NONMETALLIC MATERIAL
side_radius_from_gasket_center
2.625 INCHES NOMINAL IN
material_document_and_classification
MIL-C-8068,TY 1 MIL SPEC ALL MATERIAL RESPONSES OVERALL
NSN
5330-00-770-1749
COMPONENT DIAGRAM
KEY FEATURES
•
CROSS-SECTIONAL THICKNESS: 0.010 INCHES NOMINAL IN
•
SIDE RADIUS FROM GASKET CENTER: 2.625 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-C-8068,TY 1 MIL SPEC ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: CLOTH AND SYNTHETIC RUBBER, NONMETALLIC MATERIAL
•
APERTURE DIAMETER: 4.281 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 4
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS
0.010 INCHES NOMINAL IN
SIDE RADIUS FROM GASKET CENTER
2.625 INCHES NOMINAL IN
STYLE DESIGNATOR
NON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATION
MIL-C-8068,TY 1 MIL SPEC ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLE
CLOTH AND SYNTHETIC RUBBER, NONMETALLIC MATERIAL
OVERALL WIDTH
6.956 INCHES NOMINAL IN
APERTURE DIAMETER
4.281 INCHES NOMINAL IN
BOLT HOLE QUANTITY
4
BOLT CIRCLE DIAMETER
5.832 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS
0.562 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is 256191?
256191 is a GASKET.
What parts can replace 256191?
There is 1 known substitute for 256191: 109E59. Substitute compatibility should be verified for your specific system.
What is the NSN for 256191?
256191 is cataloged in the U.S. Government catalog under NSN 5330-00-770-1749. This indicates validated use in U.S. government and defense supply chains.
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