4189100 — BACKREST,SEAT

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

4189100: BACKREST,SEAT.

The BACKREST,SEAT is a the manufacturer industrial component. Key specifications include material: ASBESTOS AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, hole_diameter: 0.340 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 2.370 INCHES NOMINAL IN, style_designator: NON-CIRCULAR, aperture_diameter: 1.030 INCHES NOMINAL IN, bolt_circle_diameter: 1.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2540-01-045-7323, 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

4189100

NSN: 2540-01-045-7323
FSC: 2540 — Vehicular Furniture and Accessories
CAGE: 80212 — BAE SYSTEMS LAND & ARMAMENTS L.P. (USA)

SPECIFICATIONS

material	ASBESTOS AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
hole_diameter	0.340 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width	2.370 INCHES NOMINAL IN
style_designator	NON-CIRCULAR
aperture_diameter	1.030 INCHES NOMINAL IN
bolt_hole_quantity	2
bolt_circle_diameter	1.750 INCHES NOMINAL IN
outside_corner_radius	0.310 INCHES NOMINAL IN
cross-sectional_thickness	0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
cross-sectional_shape_style	SOLID SINGLE OR COMPOSITION
side_radius_from_gasket_center	0.800 INCHES NOMINAL IN
material_document_and_classification	MIL-G-12803,+1141-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN	2540-01-045-7323

COMPONENT DIAGRAM

SUBSTITUTES & CROSS-REFERENCES 1

301097Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 4189100?

4189100 is a BACKREST,SEAT.

What parts can replace 4189100?

There is 1 known substitute for 4189100: 301097. Substitute compatibility should be verified for your specific system.

What is the NSN for 4189100?

4189100 is cataloged in the U.S. Government catalog under NSN 2540-01-045-7323. This indicates validated use in U.S. government and defense supply chains.

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4189100 — BACKREST,SEAT

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