The Brake,single Disk, cataloged under National Stock Number 2530-01-166-4494, 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 Caterpillar Inc Div Caterpillar Defense. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Brake,single Disk |
| FSC / FSG | 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components (FSG 25) |
| Manufacturers | Caterpillar Inc Div Caterpillar Defense (CAGE 11083); Cmbf, Llc Dba Cmbf Llc (CAGE 5UE65) |
| Parameter | Value |
|---|---|
| NSN | 2530-01-166-4494 |
| Primary Part Number | 8R0841 |
| Item Name | Brake,single Disk |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| 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 |
|---|---|
| 8R0841 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 419-457-1 PRIMARY | Cmbf, Llc Dba Cmbf Llc (USA) |
| 419-457 PRIMARY | Cmbf, Llc Dba Cmbf Llc (USA) |
| Reference | Meaning |
|---|---|
| 5V4271 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
| 419-457-1 | 5/9 Secondary reference Motion Control Industries, Inc. |
| 419-457 | 5/9 Secondary reference Motion Control Industries, Inc. |
NSN 2530-01-166-4494 is a Brake,single Disk, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-166-4494 has 3 manufacturer part numbers on file: 8R0841 (Caterpillar Inc Div Caterpillar Defense), 419-457-1 (Cmbf, Llc Dba Cmbf Llc), 419-457 (Cmbf, Llc Dba Cmbf Llc).
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.