The Brake Drum, cataloged under National Stock Number 2530-01-048-4670, 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 Naval Sea Systems Command. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-048-4670 |
| Primary Part Number | 2580206 |
| Item Name | Brake Drum |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Adjustment Hole | NOT INCLUDED |
| Balancing Pad | NOT INCLUDED |
| Braking Surface Width | 1.500 INCHES NOMINAL IN |
| Inspection Hole | NOT INCLUDED |
| Mounting Hole Diameter | 0.500 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Braking Surface Location | EXTERNAL |
| Oil Drain Hole | NOT INCLUDED |
| Braking Surface Diameter | 12.210 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 |
| Part Number | Manufacturer |
|---|---|
| 2580206 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 2580206 | 3/2 Design control — primary reference U.S. Government activity |
| 2580206 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 2580206 | 5/9 Secondary reference Ball a C Co |
NSN 2530-01-048-4670 is a Brake Drum, manufactured by Naval Sea Systems Command, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-048-4670 has 1 manufacturer part number on file: 2580206 (Naval Sea Systems Command).
Key specifications for 2580206: Mounting Hole Quantity: 4; Adjustment Hole: NOT INCLUDED; Balancing Pad: NOT INCLUDED; Braking Surface Width: 1.500 INCHES NOMINAL IN. 10 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.