The Sprocket Wheel, cataloged under National Stock Number 3020-00-474-0096, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 26 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-474-0096 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Hub Outside Diameter | 0.437 INCHES NOMINAL BOTH ENDS IN |
| Hub Outside Diameter | 0.600 INCHES NOMINAL BB END IN |
| First Step Diameter | 0.600 INCHES NOMINAL BOTH ENDS IN |
| Securing Method | THREADED HOLE(S) |
| Bore Length | 0.375 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.148 INCHES NOMINAL IN |
| Outside Diameter | 0.825 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Pitch Diameter | 0.745 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 16 |
| Protruding Hub Characteristic | GROOVED |
| Hardness Rating Test Method | NOT RATED |
| Distance From Hub End to Flange End | 0.280 INCHES NOMINAL BOTH ENDS IN |
| Distance From Hub End to Flange End | 0.030 INCHES NOMINAL BB END IN |
| First Step Length | 0.250 INCHES NOMINAL BOTH ENDS IN |
| Securing Hole Quantity | 2 |
| Thread Size | NO. 4/0.112/ IN.-40 |
| Surface Treatment | PASSIVATE |
| Hole Location | ONE LOCATED ONHUB PORTION OF SPROCKET BETWEEN HUB END AND FACE |
| Bore Diameter | 0.252 INCHES NOMINAL IN |
| Material | STEEL |
| Face Width | 0.065 INCHES NOMINAL IN |
| Securing Location | AA END |
| 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 |
|---|---|
| A235431-1 | 3/9 Design control — primary reference U.S. Government activity |
NSN 3020-00-474-0096 is a Sprocket Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-474-0096: Hub Outside Diameter: 0.437 INCHES NOMINAL BOTH ENDS IN; Hub Outside Diameter: 0.600 INCHES NOMINAL BB END IN; First Step Diameter: 0.600 INCHES NOMINAL BOTH ENDS IN; Securing Method: THREADED HOLE(S). 26 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.