The Brake Shoe, cataloged under National Stock Number 2530-00-921-7151, is classified within Federal Supply Class 2530 (Vehicular Brake, Steering, Axle, Wheel, and Track Components) of the Vehicular Equipment Components group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-00-921-7151 |
| Primary Part Number | 5D3257 |
| Item Name | Brake Shoe |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Actuation Method | LEVER INTERNAL |
| Supplementary Features | THIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCES 11083 HAVE INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984 |
| Drum Width for Which Designed | 3.000 INCHES NOMINAL IN |
| Features Provided | FRICTION LINING |
| Surface Condition and Location | ONE SIDE GROUND |
| Application Type | DRY |
| Drum Diameter for Which Designed | 12.000 INCHES NOMINAL IN |
| Fabrication Method | MOLDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5D3257 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 8W9514 | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| A3722L766 | 5/9 Secondary reference U.S. Government activity |
| 3722L766 | 5/9 Secondary reference Meritor Heavy Vehicle Systems, Llc |
NSN 2530-00-921-7151 is a Brake Shoe, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-00-921-7151 has 2 manufacturer part numbers on file: 5D3257 (Caterpillar Inc Div Caterpillar Defense), 8W9514 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 5D3257: Actuation Method: LEVER INTERNAL; Supplementary Features: THIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCES 11083 HAVE INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984; Drum Width for Which Designed: 3.000 INCHES NOMINAL IN; Features Provided: FRICTION LINING. 8 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.