The Brake Drum, cataloged under National Stock Number 2530-01-443-2400, is classified within Federal Supply Class 2530 (Vehicular Brake, Steering, Axle, Wheel, and Track Components) of the Vehicular Equipment Components group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-443-2400 |
| Item Name | Brake Drum |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Status | ACTIVE |
| Adjustment Hole | NOT INCLUDED |
| Balancing Pad | INCLUDED |
| Braking Surface Width | 7.380 INCHES NOMINAL IN |
| Inspection Hole | NOT INCLUDED |
| Overall Outside Diameter | 16.500 INCHES NOMINAL IN |
| Oil Drain Hole | NOT INCLUDED |
| Braking Surface Diameter | 16.500 INCHES NOMINAL IN |
| Cooling Fin | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 66250 | 5/9 Secondary reference Webb Wheel Products Inc a Member of the Marmon Group of Companies |
| 66250B | 3/9 Design control — primary reference Webb Wheel Products Inc a Member of the Marmon Group of Companies |
NSN 2530-01-443-2400 is a Brake Drum, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
Key specifications for 2530-01-443-2400: Adjustment Hole: NOT INCLUDED; Balancing Pad: INCLUDED; Braking Surface Width: 7.380 INCHES NOMINAL IN; Inspection Hole: NOT INCLUDED. 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.