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644D — BRAKE LINING KIT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

644D: BRAKE LINING KIT.

The BRAKE LINING KIT is a the manufacturer industrial component. Key specifications include width: 2.000 INCHES NOMINAL IN, material: ASBESTOS FRICTION LINING, thickness: 0.250 INCHES NOMINAL IN, arc_length: 14.141 INCHES NOMINAL IN, lining_style: SEGMENT PLAIN, minor_radius: 13.140 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2530-00-289-7264, 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
644D
NSN: 2530-00-289-7264
NIINs: 002897264, 007342191
FSC: 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
CAGE: 84601 — FRICTION MATERIALS STANDARDS INSTITUTE INC (USA)
SPECIFICATIONS
width2.000 INCHES NOMINAL IN
materialASBESTOS FRICTION LINING
thickness0.250 INCHES NOMINAL IN
arc_length14.141 INCHES NOMINAL IN
lining_styleSEGMENT PLAIN
minor_radius13.140 INCHES NOMINAL IN
application_typeDRY
features_providedFLEXIBLE FRICTION LINING
fabrication_methodMOLDED
surface_condition_and_locationONE SIDE GROUND
NSN2530-00-289-7264
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BRAKE LINING KIT TITLE COMPONENT PN 644D MFR BRAKE LINING KIT
KEY FEATURES
•
SUPPLY ITEM: 058-9875,RIVET,TUBULAR,48
•
LINING QUANTITY: 4 LOCATION NOT OTHERWISE SPECIFIED
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND A CLASS
•
LINING THICKNESS: 0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
NONSUPPLY ITEM: AMERICAN BRAKEBLOK,644D,LINING SET,BRAKE,1
•
LINING WIDTH: 2.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
DRUM DIAMETER FOR WHICH DESIGNED: 14.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
LINING LENGTH: 14.625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS
SUPPLY ITEM058-9875,RIVET,TUBULAR,48
LINING QUANTITY4 LOCATION NOT OTHERWISE SPECIFIED
NONDEFINITIVE SPEC/STD DATA1 TYPE AND A CLASS
LINING THICKNESS0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
NONSUPPLY ITEMAMERICAN BRAKEBLOK,644D,LINING SET,BRAKE,1
LINING WIDTH2.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
DRUM DIAMETER FOR WHICH DESIGNED14.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
LINING LENGTH14.625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES 1
603572Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 644D?
644D is a BRAKE LINING KIT.
What parts can replace 644D?
There is 1 known substitute for 644D: 603572. Substitute compatibility should be verified for your specific system.
What is the NSN for 644D?
644D is cataloged in the U.S. Government catalog under NSN 2530-00-289-7264. 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.