The Sprocket Wheel, cataloged under National Stock Number 3020-00-028-4290, 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20 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-028-4290 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Hub Outside Diameter | 1.156 INCHES NOMINAL AA END IN |
| Securing Method | THREADED HOLE(S) |
| Bore Length | 0.500 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.250 INCHES NOMINAL IN |
| Asa Standard Chain Number | 25 |
| Outside Diameter | 2.129 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Pitch Diameter | 1.995 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 25 |
| Protruding Hub Characteristic | PLAIN |
| Distance From Hub End to Flange End | 0.390 INCHES NOMINAL AA END IN |
| Securing Hole Quantity | 1 |
| Thread Size | NO.10-24 |
| Hole Location | LOCATED ON HUB BETWEEN END OF HUB AND SPROCKET FACE |
| Bore Diameter | 0.3755 INCHES MINIMUM AND 0.3765 INCHES MAXIMUM IN |
| Material | COPPER ALLOY |
| Face Width | 0.110 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 |
|---|---|
| A14376 | C/1 Advisory reference — outside the item-of-supply concept Marine Acquisition (us) Incorporated Div Prime Line Industrial Controls |
| A14376 | 3/9 Design control — primary reference Incom Intl Inc Morse Controls Div |
NSN 3020-00-028-4290 is a Sprocket Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-028-4290: Hub Outside Diameter: 1.156 INCHES NOMINAL AA END IN; Securing Method: THREADED HOLE(S); Bore Length: 0.500 INCHES NOMINAL IN; Design Form: PLAIN. 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.