The Disk,clutch,vehicular, cataloged under National Stock Number 2520-01-047-9388, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-047-9388 |
| Primary Part Number | 8P4736 |
| Item Name | Disk,clutch,vehicular |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Disk Material | STEEL |
| Design Type | DRY |
| Teeth Quantity Per Disk | 138 |
| Outside Diameter | 21.000 INCHES NOMINAL IN |
| Flexibility | RIGID |
| Disk Type | INTERNAL TEETH |
| Features Provided | FRICTION MATERIAL FACING AND MATERIAL FACING GROOVE |
| Material | STEEL |
| Construction | SOLID |
| 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 |
|---|---|
| 8P4736 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 2520-01-047-9388 is a Disk,clutch,vehicular, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-047-9388 has 1 manufacturer part number on file: 8P4736 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 8P4736: Disk Material: STEEL; Design Type: DRY; Teeth Quantity Per Disk: 138; Outside Diameter: 21.000 INCHES NOMINAL IN. 9 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.