The Sprocket Wheel, cataloged under National Stock Number 3020-01-478-4544, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Kornylak Corp. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-478-4544 |
| Primary Part Number | WSB559 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Kornylak Corp |
| Status | ACTIVE |
| Hub Outside Diameter | 3.375 INCHES NOMINAL AA END IN |
| Securing Method | SETSCREW |
| Bore Length | 1.625 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Lubrication Mode | NO VISIBLE MEANS |
| Tooth Pitch | 1.000 INCHES NOMINAL IN |
| Asa Standard Chain Number | 80 |
| Outside Diameter | 4.980 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Pitch Diameter | 4.494 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 14 |
| Protruding Hub Characteristic | PLAIN |
| Distance From Hub End to Flange End | 1.050 INCHES NOMINAL AA END IN |
| Securing Hole Quantity | 2 |
| Bore Diameter | 1.500 INCHES NOMINAL IN |
| Material | STEEL |
| Face Width | 0.575 INCHES NOMINAL IN |
| Furnished Items and Quantity | TWO SET SCREWS |
| 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 |
NSN 3020-01-478-4544 is a Sprocket Wheel, manufactured by Kornylak Corp, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-478-4544 has 2 manufacturer part numbers on file: WSB559 (Federal Equipment Co), WSB559 (Kornylak Corp).
Key specifications for WSB559: Hub Outside Diameter: 3.375 INCHES NOMINAL AA END IN; Securing Method: SETSCREW; Bore Length: 1.625 INCHES NOMINAL IN; Design Form: PLAIN. 21 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.