The Sprocket Wheel, cataloged under National Stock Number 3020-01-421-6780, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-421-6780 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Protruding Hub Characteristic | PLAIN |
| Keyway Width | 0.188 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Furnished Items | KEYING FACILITY |
| 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 |
|---|---|
| 50B26SS0.75 | C/1 Advisory reference — outside the item-of-supply concept Cullman Wheel Co |
| PL50271000 ITEM 12 | 5/9 Secondary reference U.S. Government activity |
| J50B26SS-0.75 | 5/2 Secondary reference U.S. Government activity |
| 50271000 ITEM 12 | 3/9 Design control — primary reference Gulf Coast Holdings, Inc Dba Unidynamics |
| PL50271000 ITEM 12 | 5/9 Secondary reference Gulf Coast Holdings, Inc Dba Unidynamics |
| 50271000 ITEM 12 | 5/9 Secondary reference U.S. Government activity |
| PL50271000 ITEM 12 | 5/9 Secondary reference U.S. Government activity |
| 50271000 ITEM 12 | 5/9 Secondary reference U.S. Government activity |
| J50B2655-0.75 | 5/9 Secondary reference U.S. Government activity |
NSN 3020-01-421-6780 is a Sprocket Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-421-6780: Keying Facility Type: KEYWAY; Quantity: 1; Style Designator: PLAIN; Bore Type: STRAIGHT. 9 specifications are 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.