The Sprocket Wheel, cataloged under National Stock Number 3020-01-189-6448, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-189-6448 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Hub Outside Diameter | 18.0 MILLIMETERS NOMINAL BB END MM |
| Hub Outside Diameter | 28.5 MILLIMETERS NOMINAL AA END MM |
| Securing Method | SETSCREW |
| Bore Length | 15.0 MILLIMETERS NOMINAL MM |
| Design Form | WEBBED |
| Tooth Pitch | 8.0 MILLIMETERS NOMINAL MM |
| Outside Diameter | 40.0 MILLIMETERS NOMINAL MM |
| Style Designator | WEBBED OR SPOKED |
| Pitch Diameter | 38.5 MILLIMETERS NOMINAL MM |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 16 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | NOT RATED |
| Distance From Hub End to Flange End | 2.5 MILLIMETERS NOMINAL AA END MM |
| Bore Diameter | 8.0 MILLIMETERS NOMINAL MM |
| Material | COPPER ALLOY AND PLASTIC AND STEEL |
| Face Width | 16.0 MILLIMETERS NOMINAL MM |
| Furnished Items and Quantity | SETSCREW,ONE |
| Securing Location | BB 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 |
|---|---|
| 25-0040-05 | 3/9 Design control — primary reference Apollo Audio-Visual |
NSN 3020-01-189-6448 is a Sprocket Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-189-6448: Hub Outside Diameter: 18.0 MILLIMETERS NOMINAL BB END MM; Hub Outside Diameter: 28.5 MILLIMETERS NOMINAL AA END MM; Securing Method: SETSCREW; Bore Length: 15.0 MILLIMETERS NOMINAL MM. 20 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.