The Sprocket Wheel, cataloged under National Stock Number 3020-00-983-9228, 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 Westinghouse Electric Corp. Government technical data includes 24 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-983-9228 |
| Primary Part Number | 225B721H01 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Hub Outside Diameter | 0.500 INCHES NOMINAL BOTH ENDS IN |
| Securing Method | THREADED HOLE(S) |
| Bore Length | 0.406 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.188 INCHES NOMINAL IN |
| Asa Standard Chain Number | 329.9 |
| Outside Diameter | 0.901 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Material Document and Classification | QQ-S-763, CLASS 7, COND C FED SPEC SINGLE MATERIAL RESPONSE |
| Pitch Diameter | 0.763 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 15 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | NOT RATED |
| Distance From Hub End to Flange End | 0.250 INCHES NOMINAL BOTH ENDS IN |
| Securing Hole Quantity | 1 |
| Thread Size | 0.138 IN.-32 IN |
| Surface Treatment | PASSIVATE |
| Hole Location | LOCATED 1/8 IN. FROM END OF HUB IN |
| Bore Diameter | 0.250 INCHES NOMINAL IN |
| Material | STEEL COMP 303SE |
| Face Width | 0.156 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 |
| Part Number | Manufacturer |
|---|---|
| 225B721H01 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 225B721H01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-983-9228 is a Sprocket Wheel, manufactured by Westinghouse Electric Corp, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-983-9228 has 1 manufacturer part number on file: 225B721H01 (Westinghouse Electric Corp).
Key specifications for 225B721H01: Hub Outside Diameter: 0.500 INCHES NOMINAL BOTH ENDS IN; Securing Method: THREADED HOLE(S); Bore Length: 0.406 INCHES NOMINAL IN; Design Form: PLAIN. 24 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.