The Brake Drum, cataloged under National Stock Number 2530-00-863-5599, 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 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2530-00-863-5599 |
| Item Name | Brake Drum |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Status | ACTIVE |
| Mounting Hole Quantity | 5 |
| Adjustment Hole | NOT INCLUDED |
| Balancing Pad | NOT INCLUDED |
| Mounting Hole Spacing | EQUALLY SPACED ON 5.496 IN. MIN;,5.504 IN. MAX BOLT HOLE CIRCLE IN |
| Braking Surface Width | 2.000 INCHES NOMINAL IN |
| Inspection Hole | NOT INCLUDED |
| Mounting Hole Diameter | 0.625 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN |
| Overall Outside Diameter | 10.375 INCHES NOMINAL IN |
| Braking Surface Location | INTERNAL |
| Oil Drain Hole | NOT INCLUDED |
| Center Hole Diameter | 4.157 INCHES MINIMUM AND 4.160 INCHES MAXIMUM IN |
| Braking Surface Diameter | 8.995 INCHES MINIMUM AND 9.000 INCHES MAXIMUM IN |
| Material | IRON CAST WEAR SURFACE |
| Material | STEEL MOUNTING DISK |
| 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 |
|---|---|
| FMC8372 | 3/9 Design control — primary reference Dayton-Walther Corp |
| 10924600 | 5/9 Secondary reference Durable Metal Products Co |
NSN 2530-00-863-5599 is a Brake Drum, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
Key specifications for 2530-00-863-5599: Mounting Hole Quantity: 5; Adjustment Hole: NOT INCLUDED; Balancing Pad: NOT INCLUDED; Mounting Hole Spacing: EQUALLY SPACED ON 5.496 IN. MIN;,5.504 IN. MAX BOLT HOLE CIRCLE IN. 15 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.