The Guard,mechanical Drive, cataloged under National Stock Number 3020-01-146-4187, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Department of Defense Project Manager-Mobile Electric Power. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-146-4187 |
| Primary Part Number | 71-4571-02 |
| Item Name | Guard,mechanical Drive |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Department of Defense Project Manager-Mobile Electric Power |
| Status | ACTIVE |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 04306-0547-02 | Asrc Federal Facilities Logistics, Llc (USA) |
| 71-4571-02 PRIMARY | Department of Defense Project Manager-Mobile Electric Power (USA) |
| Reference | Meaning |
|---|---|
| 71-4571 | D/9 Drawing number reference only Department of Defense Project Manager-Mobile Electric Power |
| 04306-0547-02 | 5/9 Secondary reference U.S. Government activity |
NSN 3020-01-146-4187 is a Guard,mechanical Drive, manufactured by Department of Defense Project Manager-Mobile Electric Power, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-146-4187 has 2 manufacturer part numbers on file: 04306-0547-02 (Asrc Federal Facilities Logistics, Llc), 71-4571-02 (Department of Defense Project Manager-Mobile Electric Power).
Key specifications for 71-4571-02: Overall Width: 3.284 INCHES NOMINAL IN; Special Features: WIRE HAS 0.162 IN. DIA AND 0.192 IN. DIA;ZINC PLATED;7 MTG HOLES 0.344 IN. DIA,14.406 IN. RADIUS IN; Material: STEEL. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.