440349 — DIAPHRAGM,CHAMBER,BRAKE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

440349: DIAPHRAGM,CHAMBER,BRAKE.

The DIAPHRAGM,CHAMBER,BRAKE is a the manufacturer industrial component. Key specifications include material: RUBBER, construction: FABRIC INSERT, diaphragm_type: BEADED TAPERED SLEEVE, overall_height: 2.657 INCHES MINIMUM AND 2.719 INCHES MAXIMUM IN, mounting_method: BEAD, material_thickness: 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 2530-00-331-8123, 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

440349

NSN: 2530-00-331-8123
FSC: 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
CAGE: 02280 — AMERICAN HOIST AND DERRICK CO

SPECIFICATIONS

material	RUBBER
construction	FABRIC INSERT
diaphragm_type	BEADED TAPERED SLEEVE
overall_height	2.657 INCHES MINIMUM AND 2.719 INCHES MAXIMUM IN
mounting_method	BEAD
material_thickness	0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
fsc_application_data	REAR BRAKE CHAMBER ASSY,FIRE TRUCK
overall_outside_diameter	4.844 INCHES NOMINAL IN
nonmetallic_hardness_rating	45.000 MINIMUM SHORE DUROMETER A AND 55.000 MAXIMUM SHORE DUROMETER A
sleeve_smallest_outside_diameter	3.422 INCHES NOMINAL IN
NSN	2530-00-331-8123

COMPONENT DIAGRAM

KEY FEATURES

•

FSC APPLICATION DATA: REAR BRAKE CHAMBER ASSY,FIRE TRUCK

•

DIAPHRAGM TYPE: BEADED TAPERED SLEEVE

•

SLEEVE SMALLEST OUTSIDE DIAMETER: 3.422 INCHES NOMINAL IN

•

MOUNTING METHOD: BEAD

•

OVERALL OUTSIDE DIAMETER: 4.844 INCHES NOMINAL IN

•

MATERIAL THICKNESS: 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN

•

CONSTRUCTION: FABRIC INSERT

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	2.657 INCHES MINIMUM AND 2.719 INCHES MAXIMUM IN
FSC APPLICATION DATA	REAR BRAKE CHAMBER ASSY,FIRE TRUCK
DIAPHRAGM TYPE	BEADED TAPERED SLEEVE
SLEEVE SMALLEST OUTSIDE DIAMETER	3.422 INCHES NOMINAL IN
MOUNTING METHOD	BEAD
OVERALL OUTSIDE DIAMETER	4.844 INCHES NOMINAL IN
MATERIAL THICKNESS	0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
CONSTRUCTION	FABRIC INSERT
MATERIAL	RUBBER
NONMETALLIC HARDNESS RATING	45.000 MINIMUM SHORE DUROMETER A AND 55.000 MAXIMUM SHORE DUROMETER A

SUBSTITUTES & CROSS-REFERENCES 3

806737Reference document

Same NSN cross-reference

Reference document — Secondary reference

684123Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

180881Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 440349?

440349 is a DIAPHRAGM,CHAMBER,BRAKE.

What parts can replace 440349?

There are 3 known substitutes for 440349: 806737, 684123, 180881. Substitute compatibility should be verified for your specific system.

What is the NSN for 440349?

440349 is cataloged in the U.S. Government catalog under NSN 2530-00-331-8123. This indicates validated use in U.S. government and defense supply chains.

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440349 — DIAPHRAGM,CHAMBER,BRAKE

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