The Sprocket Wheel, cataloged under National Stock Number 3020-01-079-2284, 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27 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-079-2284 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Hub Outside Diameter | 1.094 INCHES NOMINAL AA END IN |
| First Step Diameter | 1.530 INCHES NOMINAL AA END IN |
| Securing Method | SETSCREW |
| Bore Length | 0.564 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.375 INCHES NOMINAL IN |
| Asa Standard Chain Number | 35 |
| Outside Diameter | 2.088 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Second Step Length | 0.060 INCHES NOMINAL AA END IN |
| Quantity | 1 |
| Style Designator | PLAIN |
| Pitch Diameter | 1.920 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 16 |
| Protruding Hub Characteristic | STEPPED |
| Hardness Rating Test Method | NOT RATED |
| Distance From Center of Bore to Bottom of Keyway | 0.310 INCHES NOMINAL IN |
| First Step Length | 0.336 INCHES NOMINAL AA END IN |
| Keyway Width | 0.120 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM |
| Bore Diameter | 0.500 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN |
| Material | STEEL |
| Furnished Items | KEYING FACILITY |
| Face Width | 0.168 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 |
|---|---|
| 2943047-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-079-2284 is a Sprocket Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-079-2284: Hub Outside Diameter: 1.094 INCHES NOMINAL AA END IN; First Step Diameter: 1.530 INCHES NOMINAL AA END IN; Securing Method: SETSCREW; Bore Length: 0.564 INCHES NOMINAL IN. 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.