The Sprocket Wheel, cataloged under National Stock Number 3020-01-421-4700, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-01-421-4700 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Length | 0.168 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.375 INCHES NOMINAL IN |
| Asa Standard Chain Number | 35 |
| Outside Diameter | 3.070 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Pitch Diameter | 2.873 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 24 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | NOT RATED |
| Bore Diameter | 0.750 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Face Width | 0.168 INCHES NOMINAL IN |
| 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 |
|---|---|
| 35A24SS-0.75 | 5/9 Secondary reference Cullman Wheel Co |
| 50271000 ITEM 22 | 5/2 Secondary reference U.S. Government activity |
| 50271000 ITEM 22 | 5/9 Secondary reference Gulf Coast Holdings, Inc Dba Unidynamics |
| PL50271000 ITEM 22 | 5/9 Secondary reference U.S. Government activity |
| 50271000 ITEM 22 | 5/9 Secondary reference U.S. Government activity |
| PL50271000 ITEM 22 | 5/9 Secondary reference Gulf Coast Holdings, Inc Dba Unidynamics |
| 35A24SS-0.75 | 3/9 Design control — primary reference Emerson Electric Co Browning Mfg Div |
| PL50271000 ITEM 22 | 5/2 Secondary reference U.S. Government activity |
| 35A24SS-0.75 | 5/9 Secondary reference Martin Sprocket and Gear Inc |
NSN 3020-01-421-4700 is a Sprocket Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-421-4700: Bore Length: 0.168 INCHES NOMINAL IN; Design Form: PLAIN; Tooth Pitch: 0.375 INCHES NOMINAL IN; Asa Standard Chain Number: 35. 15 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.