The Sprocket Wheel, cataloged under National Stock Number 3020-01-222-1044, 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 Astronautics Corporation of America. Government technical data includes 17 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-222-1044 |
| Primary Part Number | 125578 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Astronautics Corporation of America |
| Status | ACTIVE |
| Hub Outside Diameter | 0.124 INCHES NOMINAL BOTH ENDS IN |
| Bore Length | 0.270 INCHES NOMINAL IN |
| Design Form | WEBBED |
| Teeth Hardness Rating | 120.0 ROCKWELL C NOMINAL |
| Outside Diameter | 0.792 INCHES NOMINAL IN |
| Style Designator | WEBBED OR SPOKED |
| Metallic Hardness Rating and Location | 120.0 ROCKWELL C NOMINAL BODY |
| Pitch Diameter | 0.751 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 10 |
| Hardness Rating Test Method | ROCKWELL |
| Distance From Hub End to Flange End | 0.100 INCHES NOMINAL BB END IN |
| Distance From Hub End to Flange End | 1.230 INCHES NOMINAL AA END IN |
| Bore Diameter | 0.124 INCHES NOMINAL IN |
| Material | PLASTIC |
| Face Width | 0.260 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 |
|---|---|
| 125578 PRIMARY | Astronautics Corporation of America (USA) |
NSN 3020-01-222-1044 is a Sprocket Wheel, manufactured by Astronautics Corporation of America, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-222-1044 has 1 manufacturer part number on file: 125578 (Astronautics Corporation of America).
1 possible match (shared part number, not a government interchangeability claim): 9999-01-690-3585. Verify interchangeability with system specifications before substitution.
Key specifications for 125578: Hub Outside Diameter: 0.124 INCHES NOMINAL BOTH ENDS IN; Bore Length: 0.270 INCHES NOMINAL IN; Design Form: WEBBED; Teeth Hardness Rating: 120.0 ROCKWELL C NOMINAL. 17 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.