The Sprocket Wheel, cataloged under National Stock Number 3020-01-644-3043, 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 Martin Sprocket and Gear Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30) |
| Manufacturers | Martin Sprocket and Gear Inc (CAGE 05506) |
| Parameter | Value |
|---|---|
| NSN | 3020-01-644-3043 |
| Primary Part Number | F175478 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Martin Sprocket and Gear Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| F175478 PRIMARY | Martin Sprocket and Gear Inc (USA) |
| Reference | Meaning |
|---|---|
| F175463 REV A ITEM NO. 3 | 7/2 Vendor item drawing reference Lake Shore Systems, Inc. |
NSN 3020-01-644-3043 is a Sprocket Wheel, manufactured by Martin Sprocket and Gear Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-644-3043 has 1 manufacturer part number on file: F175478 (Martin Sprocket and Gear Inc).
1 possible match (shared part number, not a government interchangeability claim): 3120-01-645-4931. Verify interchangeability with system specifications before substitution.
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.