The Sprocket Wheel, cataloged under National Stock Number 3020-01-081-4098, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-081-4098 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Securing Method | THREADED HOLE(S) |
| Bore Length | 1.000 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Protruding Hub Characteristic | PLAIN |
| Distance From Center of Bore to Bottom of Keyway | 0.683 INCHES NOMINAL IN |
| Distance From Hub End to Flange End | 0.560 INCHES NOMINAL AA END IN |
| Securing Hole Quantity | 1 |
| Thread Size | 1/4-28 |
| Keyway Width | 0.189 INCHES NOMINAL IN |
| Hole Location | ON HUB |
| Bore Diameter | 0.630 INCHES NOMINAL IN |
| Material | STEEL |
| Furnished Items | KEYING FACILITY |
| Face Width | 0.440 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 |
|---|---|
| F311131 | D/9 Drawing number reference only U.S. Government activity |
| F311131-664 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-081-4098 is a Sprocket Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-081-4098: Securing Method: THREADED HOLE(S); Bore Length: 1.000 INCHES NOMINAL IN; Design Form: PLAIN; Keying Facility Type: KEYWAY. 19 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.