The Brake Shoe, cataloged under National Stock Number 2530-00-425-2804, 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 Dressta North America Ltd. Government technical data includes 9 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through both NSN and commercial part number lookups. 15 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2530-00-425-2804 |
| Primary Part Number | 74044H45 |
| Item Name | Brake Shoe |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Dressta North America Ltd |
| Status | CANCELLED |
| Actuation Method | HYDRAULIC CYLINDER 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 | 3.875 INCHES NOMINAL IN |
| Features Provided | FRICTION LINING |
| Surface Condition and Location | ONE SIDE GROUND |
| Segment Quantity | 1 |
| Application Type | DRY |
| Drum Diameter for Which Designed | 16.250 INCHES NOMINAL IN |
| Fabrication Method | MOLDED |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 74044H45 PRIMARY | Dressta North America Ltd (USA) |
| 4D3273 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 1113S84 | 5/9 Secondary reference Bendix Corp the Brake and Steering Div |
| 1131S3 | 5/9 Secondary reference Bendix Corp the Brake and Steering Div |
| 316892 | 5/9 Secondary reference Bendix Corp the Brake and Steering Div |
| 304021 | 5/9 Secondary reference U.S. Government activity |
| 311112 | 5/9 Secondary reference Rubber Associates Inc |
| 1131S3 | 5/9 Secondary reference Bendix Corp the Hydraulics Div |
| 1131S7 | 5/9 Secondary reference Bendix Corp the Hydraulics Div |
| 74044H45 | 5/9 Secondary reference Komatsu America Corporation |
| 74044 | 5/9 Secondary reference Komatsu America Corporation |
| 1113S84 | 5/9 Secondary reference Bendix Corp the Hydraulics Div |
| 1131S7 | 5/9 Secondary reference Bendix Corp the Brake and Steering Div |
| H8008 | 5/9 Secondary reference American Standard Inc Westinghouse Air Brake Co Div |
| 304027 | 5/9 Secondary reference U.S. Government activity |
| D74044 | 5/9 Secondary reference Komatsu America Corporation |
| 316892 | 5/9 Secondary reference Honeywell International Inc Div Aerospace-South Bend (bendix Dr) |
NSN 2530-00-425-2804 is a Brake Shoe, manufactured by Dressta North America Ltd, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: cancelled.
NSN 2530-00-425-2804 has 2 manufacturer part numbers on file: 74044H45 (Dressta North America Ltd), 4D3273 (Caterpillar Inc Div Caterpillar Defense).
8 possible matches (shared part number, not a government interchangeability claim): 2930-00-700-8560, 5905-00-794-3738, 5330-00-890-5837. Verify interchangeability with system specifications before substitution.
Key specifications for 74044H45: Actuation Method: HYDRAULIC CYLINDER 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: 3.875 INCHES NOMINAL IN; Features Provided: FRICTION LINING. 9 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.
NSN 2530-00-425-2804 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.