The Disk,clutch,vehicular, cataloged under National Stock Number 2520-00-657-8569, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-00-657-8569 |
| Primary Part Number | 6578569 |
| Item Name | Disk,clutch,vehicular |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Disk Material | STEEL |
| Spline Type | STRAIGHT |
| Design Type | DRY |
| Flexibility | RIGID |
| Disk Type | EXTERNAL SLOT |
| Spline Major Diameter | 2.002 INCHES MINIMUM AND 2.008 INCHES MAXIMUM IN |
| Features Provided | FRICTION MATERIAL FACING |
| Spline Quantity | 6 |
| Construction | SOLID |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6578569 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| CM5482 | 5/9 Secondary reference Spalla Inc |
NSN 2520-00-657-8569 is a Disk,clutch,vehicular, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-00-657-8569 has 1 manufacturer part number on file: 6578569 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 6578569: Disk Material: STEEL; Spline Type: STRAIGHT; Design Type: DRY; Flexibility: RIGID. 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.
NSN 2520-00-657-8569 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.