The Sprocket Wheel, cataloged under National Stock Number 3020-01-395-4640, 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20 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-395-4640 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Hub Outside Diameter | 0.500 INCHES NOMINAL BOTH ENDS IN |
| Bore Length | 0.453 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.047 INCHES NOMINAL IN |
| Outside Diameter | 0.761 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Pitch Diameter | 0.7090 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Counterbore Depth | 0.045 INCHES NOMINAL IN |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 15 |
| Counterbore Location | AA END |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | NOT RATED |
| Counterbore Diameter | 0.420 INCHES NOMINAL IN |
| Distance From Hub End to Flange End | 0.030 INCHES NOMINAL AA END IN |
| Distance From Hub End to Flange End | 0.391 INCHES NOMINAL BB END IN |
| Bore Diameter | 0.252 INCHES NOMINAL IN |
| Furnished Items | COUNTERBORE |
| Face Width | 0.062 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 |
|---|---|
| SM-B-697567 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-395-4640 is a Sprocket Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-395-4640: Hub Outside Diameter: 0.500 INCHES NOMINAL BOTH ENDS IN; Bore Length: 0.453 INCHES NOMINAL IN; Design Form: PLAIN; Tooth Pitch: 0.047 INCHES NOMINAL IN. 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.