WB390 — BRAKE,SINGLE DISK

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

WB390: BRAKE,SINGLE DISK.

The BRAKE,SINGLE DISK is a the manufacturer industrial component. Key specifications include overall_width: 7.250 INCHES NOMINAL IN, mounting_method: ANCHOR PLATE FLANGE, operation_method: HYDRAULIC, overall_diameter: 18.000 INCHES NOMINAL IN, bolt_circle_diameter: 7.000 INCHES NOMINAL IN, installation_location: RIGHT HAND FRONT. This part is cataloged in the U.S.

Government catalog under NSN 2530-00-451-2746, 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

WB390

NSN: 2530-00-451-2746
FSC: 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
CAGE: 63659 — WALTER MOTOR TRUCK CO (USA)

SPECIFICATIONS

overall_width	7.250 INCHES NOMINAL IN
mounting_method	ANCHOR PLATE FLANGE
operation_method	HYDRAULIC
overall_diameter	18.000 INCHES NOMINAL IN
bolt_circle_diameter	7.000 INCHES NOMINAL IN
installation_location	RIGHT HAND FRONT
mounting_hole_diameter	0.535 INCHES NOMINAL IN
mounting_hole_quantity	3
hydraulic_cylinder_diameter	2.812 INCHES NOMINAL IN
hydraulic_cylinder_quantity	2
lining_contact_surface_width	2.840 INCHES NOMINAL IN
lining_friction_surface_area	25.336 SQUARE INCHES NOMINAL
NSN	2530-00-451-2746

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING HOLE QUANTITY: 3

•

LINING FRICTION SURFACE AREA: 25.336 SQUARE INCHES NOMINAL

•

HYDRAULIC CYLINDER QUANTITY: 2

•

OVERALL DIAMETER: 18.000 INCHES NOMINAL IN

•

MOUNTING METHOD: ANCHOR PLATE FLANGE

•

MOUNTING HOLE DIAMETER: 0.535 INCHES NOMINAL IN

•

LINING CONTACT SURFACE WIDTH: 2.840 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

MOUNTING HOLE QUANTITY	3
LINING FRICTION SURFACE AREA	25.336 SQUARE INCHES NOMINAL
HYDRAULIC CYLINDER QUANTITY	2
OVERALL DIAMETER	18.000 INCHES NOMINAL IN
MOUNTING METHOD	ANCHOR PLATE FLANGE
MOUNTING HOLE DIAMETER	0.535 INCHES NOMINAL IN
OVERALL WIDTH	7.250 INCHES NOMINAL IN
LINING CONTACT SURFACE WIDTH	2.840 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER	7.000 INCHES NOMINAL IN
HYDRAULIC CYLINDER DIAMETER	2.812 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 5

9440942Reference document

Same NSN cross-reference

Reference document — Secondary reference

39640059Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

7000003Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

PD1298-1Reference document

Same NSN cross-reference

Reference document — Secondary reference

9640059Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is WB390?

WB390 is a BRAKE,SINGLE DISK.

What parts can replace WB390?

There are 5 known substitutes for WB390: 9440942, 39640059, 7000003 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for WB390?

WB390 is cataloged in the U.S. Government catalog under NSN 2530-00-451-2746. This indicates validated use in U.S. government and defense supply chains.

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WB390 — BRAKE,SINGLE DISK

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