The Sprocket Wheel, cataloged under National Stock Number 3020-01-018-1978, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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) |
| Parameter | Value |
|---|---|
| NSN | 3020-01-018-1978 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| 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 |
| Reference | Meaning |
|---|---|
| 50TLB40X1-7/16BORE | 5/9 Secondary reference Emerson Power Transmission Corporation Div Ept |
| 1026-30101 PIECE 30 | 5/9 Secondary reference Jbf Scientific Corp |
| 50BTL40X1-7/16BORE | 5/9 Secondary reference Martin Sprocket and Gear Inc |
| 50B40TL1 7/16BORE | 5/9 Secondary reference Diamond Chain Co Div of Amsted Industries Inc |
| 1026-30101 PIEC | C/1 Advisory reference — outside the item-of-supply concept Jbf Scientific Corp |
| 50BTL40 | 3/9 Design control — primary reference Martin Sprocket and Gear Inc |
NSN 3020-01-018-1978 is a Sprocket Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
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.