The Sprocket Wheel, cataloged under National Stock Number 3020-01-044-7046, 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27 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-044-7046 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Keyway Depth | 0.094 INCHES NOMINAL IN |
| Hub Outside Diameter | 1.969 INCHES NOMINAL BB END IN |
| Securing Method | THREADED HOLE(S) |
| Bore Length | 1.000 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.500 INCHES NOMINAL IN |
| Asa Standard Chain Number | 40-1/2 |
| Outside Diameter | 2.810 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Keying Facility Spacing in Deg | 90.0 |
| Outside Diameter | 2.810 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 16 |
| Protruding Hub Characteristic | PLAIN |
| Distance From Center of Bore to Bottom of Keyway | 0.531 INCHES NOMINAL IN |
| Distance From Hub End to Flange End | 0.716 INCHES NOMINAL BB END IN |
| Securing Hole Quantity | 2 |
| Keyway Width | 0.188 INCHES NOMINAL IN |
| Bore Diameter | 0.875 INCHES NOMINAL IN |
| Material | STEEL |
| Furnished Items | KEYING FACILITY |
| Face Width | 0.284 INCHES NOMINAL IN |
| Furnished Items and Quantity | 2 SET SCREWS |
| 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 |
|---|---|
| 4016-7/8 | 5/9 Secondary reference Martin Sprocket and Gear Inc |
| D4016-7/8 | 5/9 Secondary reference Diamond Chain Co Div of Amsted Industries Inc |
| 4016BSX7/8 W/KW & 2SS | 3/9 Design control — primary reference Martin Sprocket and Gear Inc |
NSN 3020-01-044-7046 is a Sprocket Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-044-7046: Keyway Depth: 0.094 INCHES NOMINAL IN; Hub Outside Diameter: 1.969 INCHES NOMINAL BB END IN; Securing Method: THREADED HOLE(S); Bore Length: 1.000 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.