The Sprocket Wheel, cataloged under National Stock Number 3020-01-331-3009, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-01-331-3009 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Hub Outside Diameter | 0.500 INCHES NOMINAL AA END IN |
| Securing Method | SETSCREW |
| Bore Length | 0.437 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.157 INCHES NOMINAL IN |
| Outside Diameter | 0.962 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Pitch Diameter | 0.900 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 18 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | NOT RATED |
| Distance From Hub End to Flange End | 0.249 INCHES NOMINAL AA END IN |
| Bore Diameter | 0.250 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Face Width | 0.188 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 |
|---|---|
| M260-71 | 5/9 Secondary reference Miltope Corporation |
| 3MP28S-18 | 3/9 Design control — primary reference W. M. Berg, Inc. |
NSN 3020-01-331-3009 is a Sprocket Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-331-3009: Hub Outside Diameter: 0.500 INCHES NOMINAL AA END IN; Securing Method: SETSCREW; Bore Length: 0.437 INCHES NOMINAL IN; Design Form: PLAIN. 18 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.