The Sprocket Wheel, cataloged under National Stock Number 3020-01-689-7625, 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 Co Inc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30) |
| Manufacturers | Martin Sprocket and Gear Co Inc (CAGE 3M607); Emerson Electric Co Browning Mfg Div (CAGE 71176) |
| Parameter | Value |
|---|---|
| NSN | 3020-01-689-7625 |
| Primary Part Number | 120BTB26 3020 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Martin Sprocket and Gear Co 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 |
|---|---|
| 120BTB26 3020 PRIMARY | Martin Sprocket and Gear Co Inc (USA) |
| 120TB26 PRIMARY | Emerson Electric Co Browning Mfg Div (USA) |
| Reference | Meaning |
|---|---|
| 3596AS452-1 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 3020-01-689-7625 is a Sprocket Wheel, manufactured by Martin Sprocket and Gear Co Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-689-7625 has 2 manufacturer part numbers on file: 120BTB26 3020 (Martin Sprocket and Gear Co Inc), 120TB26 (Emerson Electric Co Browning Mfg Div).
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.