The Brake Drum, cataloged under National Stock Number 2530-00-810-0792, 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 19 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 2530-00-810-0792 |
| Item Name | Brake Drum |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Status | ACTIVE |
| Mounting Hole Quantity | 5 |
| FSC Application Data | CHASSIS,TRAILER,TYPE NO. V-135/M |
| Adjustment Hole | INCLUDED |
| Balancing Pad | INCLUDED |
| Mounting Hole Spacing | EQUALLY SPACED ON 5-1/2 IN. BOLT CIRCLE IN |
| Braking Surface Width | 2.250 INCHES NOMINAL IN |
| Inspection Hole | NOT INCLUDED |
| Mounting Hole Diameter | 0.375 INCHES NOMINAL IN |
| Overall Outside Diameter | 12.500 INCHES NOMINAL IN |
| Hole Spacing | EQUALLY SPACED BETWEEN MTG HOLES ON 3-1/2 IN. BOLT CIRCLE IN |
| Alignment Hole Quantity | 6 |
| Hole Size | 5/16 IN. DIA IN |
| Braking Surface Location | INTERNAL |
| Oil Drain Hole | NOT INCLUDED |
| Center Hole Diameter | 2.500 INCHES NOMINAL IN |
| Braking Surface Diameter | 10.995 INCHES NOMINAL IN |
| Material | IRON CAST OVERALL |
| Countersunk Hole Angle in Deg | 45.0 |
| 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 |
|---|---|
| 28925 | 3/9 Design control — primary reference Kelsey-Hayes Co Wheel Drum and Brake Div |
| 76895 | 5/9 Secondary reference Kelsey-Hayes Co |
NSN 2530-00-810-0792 is a Brake Drum, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
5 possible matches (shared part number, not a government interchangeability claim): 5342-01-167-1546, 4810-01-235-9982, 5935-01-275-7932. Verify interchangeability with system specifications before substitution.
Key specifications for 2530-00-810-0792: Mounting Hole Quantity: 5; FSC Application Data: CHASSIS,TRAILER,TYPE NO. V-135/M; Adjustment Hole: INCLUDED; Balancing Pad: INCLUDED. 19 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.