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Technical Data Sheet
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143021 — LINING,FRICTION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

143021: LINING,FRICTION.

The LINING,FRICTION is a the manufacturer industrial component. Key specifications include end_item_identification: 3805-01-537-7952, DITCHING MACHINE RT40, part_name_assigned_by_controlling_agency: GUARD, ZERK. This part is cataloged in the U.S.

Government catalog under NSN 2530-00-057-2674, 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
143021
NSN: 2530-00-057-2674
NIINs: 000572674, 000853954, 008979472, 012423925, 015486939
FSC: 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
CAGE: 81574 — TCE CANADA LTD (CAN)
SPECIFICATIONS
end_item_identification3805-01-537-7952, DITCHING MACHINE RT40
part_name_assigned_by_controlling_agencyGUARD, ZERK
NSN2530-00-057-2674
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LINING,FRICTION TITLE COMPONENT PN 143021 MFR LINING,FRICTION
KEY FEATURES
•
LINING STYLE: CLUTCH DISK
•
FEATURES PROVIDED: FLEXIBLE FRICTION LINING
•
APPLICATION TYPE: DRY
•
MINOR DIAMETER: 0.406 INCHES NOMINAL IN
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR FRICTION LINING
•
MAJOR DIAMETER: 0.938 INCHES NOMINAL IN
•
THICKNESS: 0.031 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LINING STYLECLUTCH DISK
FEATURES PROVIDEDFLEXIBLE FRICTION LINING
APPLICATION TYPEDRY
MINOR DIAMETER0.406 INCHES NOMINAL IN
MATERIALRUBBER CHLOROPRENE CLASS CR FRICTION LINING
MAJOR DIAMETER0.938 INCHES NOMINAL IN
THICKNESS0.031 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
533210Reference 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 143021?
143021 is a LINING,FRICTION.
What parts can replace 143021?
There is 1 known substitute for 143021: 533210. Substitute compatibility should be verified for your specific system.
What is the NSN for 143021?
143021 is cataloged in the U.S. Government catalog under NSN 2530-00-057-2674. 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.