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4312921 — BRAKE SHOE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

4312921: BRAKE SHOE.

The BRAKE SHOE is a the manufacturer industrial component. Key specifications include actuation_method: HYDRAULIC CYLINDER INTERNAL, fabrication_method: COMPRESSED, strengthening_feature: LAYERED FLAT STEEL BACKING MEMBER, drum_width_for_which_designed: 3.125 INCHES NOMINAL IN, drum_diameter_for_which_designed: 12.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2530-01-070-0548, 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
4312921
NSN: 2530-01-070-0548
FSC: 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
CAGE: 77237 — DANA OFF HIGHWAY PRODUCTS, LLC (USA)
SPECIFICATIONS
actuation_methodHYDRAULIC CYLINDER INTERNAL
fabrication_methodCOMPRESSED
strengthening_featureLAYERED FLAT STEEL BACKING MEMBER
drum_width_for_which_designed3.125 INCHES NOMINAL IN
drum_diameter_for_which_designed12.000 INCHES NOMINAL IN
NSN2530-01-070-0548
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BRAKE SHOE TITLE COMPONENT PN 4312921 MFR BRAKE SHOE
KEY FEATURES
•
ACTUATION METHOD: HYDRAULIC CYLINDER INTERNAL
•
STRENGTHENING FEATURE: LAYERED FLAT STEEL BACKING MEMBER
•
DRUM WIDTH FOR WHICH DESIGNED: 3.125 INCHES NOMINAL IN
•
DRUM DIAMETER FOR WHICH DESIGNED: 12.000 INCHES NOMINAL IN
•
FABRICATION METHOD: COMPRESSED
TECHNICAL CHARACTERISTICS
ACTUATION METHODHYDRAULIC CYLINDER INTERNAL
STRENGTHENING FEATURELAYERED FLAT STEEL BACKING MEMBER
DRUM WIDTH FOR WHICH DESIGNED3.125 INCHES NOMINAL IN
DRUM DIAMETER FOR WHICH DESIGNED12.000 INCHES NOMINAL IN
FABRICATION METHODCOMPRESSED
SUBSTITUTES & CROSS-REFERENCES 2
3736391Reference document
Same NSN cross-reference
Reference document — Secondary reference
840929Reference 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 4312921?
4312921 is a BRAKE SHOE.
What parts can replace 4312921?
There are 2 known substitutes for 4312921: 3736391, 840929. Substitute compatibility should be verified for your specific system.
What is the NSN for 4312921?
4312921 is cataloged in the U.S. Government catalog under NSN 2530-01-070-0548. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.