The Sprocket Wheel, cataloged under National Stock Number 3020-01-450-1722, 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21 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-450-1722 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Securing Method | THREADED HOLE(S) |
| Bore Length | 2.000 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Outside Diameter | 9.480 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 28 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | NOT RATED |
| Distance From Hub End to Flange End | 1.420 INCHES NOMINAL AA END IN |
| Securing Hole Quantity | 1 |
| Thread Size | 3/8-16 |
| Keyway Width | 0.380 INCHES NOMINAL IN |
| Hole Location | ON HUB BETWEEN SPROCKET FACE |
| Bore Diameter | 1.750 INCHES NOMINAL IN |
| Material | STEEL |
| Furnished Items | KEYING FACILITY |
| Face Width | 0.580 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 |
|---|---|
| 80BS28 1 3/4 | 3/9 Design control — primary reference Martin Sprocket and Gear Inc |
| 9310C8610-001 | D/9 Drawing number reference only The Entwistle Company Llc |
NSN 3020-01-450-1722 is a Sprocket Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-450-1722: Securing Method: THREADED HOLE(S); Bore Length: 2.000 INCHES NOMINAL IN; Design Form: PLAIN; Outside Diameter: 9.480 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.