The Brake Drum, cataloged under National Stock Number 2530-01-332-2455, 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 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-332-2455 |
| Item Name | Brake Drum |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Status | ACTIVE |
| Mounting Hole Quantity | 10 |
| Mounting Hole Spacing | EQUALLY SPACED ON 11.250 IN. BO CIRCLE DIA IN |
| Braking Surface Width | 7.000 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.750 INCHES NOMINAL IN |
| Braking Surface Location | INTERNAL |
| Center Hole Diameter | 8.531 INCHES NOMINAL IN |
| Braking Surface Diameter | 16.500 INCHES NOMINAL IN |
| 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 |
|---|---|
| 67101 | 3/9 Design control — primary reference Webb Wheel Products Inc a Member of the Marmon Group of Companies |
NSN 2530-01-332-2455 is a Brake Drum, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 1730-01-334-6833, 5930-01-349-5568, 6230-01-667-0867. Verify interchangeability with system specifications before substitution.
Key specifications for 2530-01-332-2455: Mounting Hole Quantity: 10; Mounting Hole Spacing: EQUALLY SPACED ON 11.250 IN. BO CIRCLE DIA IN; Braking Surface Width: 7.000 INCHES NOMINAL IN; Mounting Hole Diameter: 0.750 INCHES NOMINAL IN. 7 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.