The Sprocket Wheel, cataloged under National Stock Number 3020-01-263-4091, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 27 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-263-4091 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Hub Outside Diameter | 0.955 INCHES NOMINAL BOTH ENDS IN |
| Securing Method | THREADED HOLE(S) |
| Bore Length | 0.777 INCHES MINIMUM AND 0.782 INCHES MAXIMUM IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.500 INCHES NOMINAL IN |
| Outside Diameter | 1.207 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Pitch Diameter | 0.955 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Counterbore Depth | 0.262 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 6 |
| Counterbore Location | BB END |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | NOT RATED |
| Counterbore Diameter | 0.526 INCHES MINIMUM AND 0.536 INCHES MAXIMUM IN |
| Distance From Hub End to Flange End | 0.095 INCHES NOMINAL BB END IN |
| Distance From Hub End to Flange End | 0.552 INCHES NOMINAL AA END IN |
| Securing Hole Quantity | 1 |
| Thread Size | N0.10/0.190/-32 |
| Hole Location | CENTERED 0.313 INCH FROM END OF HUB IN |
| Bore Diameter | 0.320 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY |
| Furnished Items | COUNTERBORE |
| Face Width | 0.132 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN |
| Furnished Items and Quantity | ONE HELICAL COIL INSERT |
| 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 |
|---|---|
| A3041531 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-263-4091 is a Sprocket Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-263-4091: Hub Outside Diameter: 0.955 INCHES NOMINAL BOTH ENDS IN; Securing Method: THREADED HOLE(S); Bore Length: 0.777 INCHES MINIMUM AND 0.782 INCHES MAXIMUM IN; Design Form: PLAIN. 27 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.