The Sprocket Wheel, cataloged under National Stock Number 3020-01-021-8878, 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 Hewlett-Packard Company Dba HP. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-021-8878 |
| Primary Part Number | 07143-40230 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Hewlett-Packard Company Dba HP |
| Status | ACTIVE |
| Hub Outside Diameter | 0.498 INCHES NOMINAL BOTH ENDS IN |
| Bore Length | 0.450 INCHES NOMINAL IN |
| Design Form | SPOKED |
| Outside Diameter | 1.122 INCHES NOMINAL IN |
| Second Step Length | 0.110 INCHES NOMINAL AA END IN |
| Second Step Length | 0.170 INCHES NOMINAL BB END IN |
| Style Designator | WEBBED OR SPOKED |
| Pitch Diameter | 1.082 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Counterbore Depth | 0.187 INCHES NOMINAL IN |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 12 |
| Counterbore Location | AA END |
| Protruding Hub Characteristic | STEPPED |
| Hardness Rating Test Method | NOT RATED |
| Distance From Hub End to Flange End | 0.050 INCHES NOMINAL BB END IN |
| Distance From Hub End to Flange End | 0.060 INCHES NOMINAL AA END IN |
| First Step Length | 0.050 INCHES NOMINAL BB END IN |
| First Step Length | 0.060 INCHES NOMINAL AA END IN |
| Bore Diameter | 0.140 INCHES NOMINAL IN |
| Material | NYLON (USE PCP000) AND FIBERGLASS |
| Face Width | 0.340 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 |
| Part Number | Manufacturer |
|---|---|
| 07143-40230 PRIMARY | Hewlett-Packard Company Dba HP (USA) |
NSN 3020-01-021-8878 is a Sprocket Wheel, manufactured by Hewlett-Packard Company Dba HP, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-021-8878 has 1 manufacturer part number on file: 07143-40230 (Hewlett-Packard Company Dba HP).
Key specifications for 07143-40230: Hub Outside Diameter: 0.498 INCHES NOMINAL BOTH ENDS IN; Bore Length: 0.450 INCHES NOMINAL IN; Design Form: SPOKED; Outside Diameter: 1.122 INCHES NOMINAL IN. 22 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.