The Sprocket Wheel, cataloged under National Stock Number 3020-00-904-4154, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-904-4154 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Hub Outside Diameter | 7.501 INCHES NOMINAL AA END IN |
| Taper Bore Minor Diameter | 5.059 INCHES NOMINAL IN |
| First Step Diameter | 8.490 INCHES NOMINAL AA END IN |
| Bore Length | 4.500 INCHES NOMINAL IN |
| Design Form | WEBBED |
| Tooth Pitch | 4.019 INCHES NOMINAL IN |
| Outside Diameter | 35.500 INCHES NOMINAL IN |
| Taper Major Diameter Location | AA END |
| Style Designator | WEBBED OR SPOKED |
| Pitch Diameter | 34.620 INCHES NOMINAL IN |
| Bore Type | TAPERED |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 27 |
| Taper Bore Major Diameter | 5.340 INCHES NOMINAL IN |
| Protruding Hub Characteristic | STEPPED |
| Hardness Rating Test Method | NOT RATED |
| Distance From Hub End to Flange End | 2.250 INCHES NOMINAL BOTH ENDS IN |
| First Step Length | 0.500 INCHES NOMINAL AA END IN |
| Material | STEEL |
| Furnished Items | LIGHTENING HOLE |
| Face Width | 3.000 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 |
|---|---|
| 103D8065 | 3/9 Design control — primary reference Baker Intl Corp Eimco Mining Machinery Intl |
NSN 3020-00-904-4154 is a Sprocket Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-904-4154: Hub Outside Diameter: 7.501 INCHES NOMINAL AA END IN; Taper Bore Minor Diameter: 5.059 INCHES NOMINAL IN; First Step Diameter: 8.490 INCHES NOMINAL AA END IN; Bore Length: 4.500 INCHES NOMINAL IN. 21 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.