The Clutch Assembly,friction, cataloged under National Stock Number 2520-01-579-5643, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-579-5643 |
| Item Name | Clutch Assembly,friction |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| 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 |
| Reference | Meaning |
|---|---|
| ROSDC-362 | 3/9 Design control — primary reference Dalton Gear Company |
NSN 2520-01-579-5643 is a Clutch Assembly,friction, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
Key specifications for 2520-01-579-5643: Special Features: EXPLOSIVWE ORDNANCE; RIGID OVERLOAD SAFETY DEVICE COUPLING; HALF COUNTERBORED; 120 MAX TORQUE; 1/2 INCH OSD HALF, 1/2 INCH RIGID COUPLING HALF MINIMUM BORE; 1-1/8 INCH OSD HALF, 2 INCH RIGID COUPLING HALF MAXIMUM BORE; 3-3/8 INCH OVERALL LENGTH IN. 0 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.