The Sprocket Wheel, cataloged under National Stock Number 3020-01-125-0073, 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 Cochran Airport Systems. Government technical data includes 21 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 | 3020-01-125-0073 |
| Primary Part Number | 302-1-0020 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Cochran Airport Systems |
| Status | ACTIVE |
| Hub Outside Diameter | 1.750 INCHES NOMINAL AA END IN |
| Taper Bore Minor Diameter | 0.170 INCHES NOMINAL IN |
| Bore Length | 0.625 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.625 INCHES NOMINAL IN |
| Outside Diameter | 2.500 INCHES NOMINAL IN |
| Keying Facility Type | TAPERED KEYWAY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Pitch Diameter | 2.219 INCHES NOMINAL IN |
| Bore Type | TAPERED |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 11 |
| Taper Bore Major Diameter | 1.190 INCHES NOMINAL IN |
| Hardness Rating Test Method | NOT RATED |
| Distance From Center of Bore to Bottom of Keyway | 1.000 INCHES NOMINAL IN |
| Distance From Hub End to Flange End | 0.656 INCHES NOMINAL AA END IN |
| Keyway Width | 0.312 INCHES NOMINAL IN |
| Material | STEEL |
| Furnished Items | KEYING FACILITY |
| Face Width | 0.344 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 |
|---|---|
| 302-1-0020 PRIMARY | Cochran Airport Systems (USA) |
NSN 3020-01-125-0073 is a Sprocket Wheel, manufactured by Cochran Airport Systems, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-125-0073 has 1 manufacturer part number on file: 302-1-0020 (Cochran Airport Systems).
Key specifications for 302-1-0020: Hub Outside Diameter: 1.750 INCHES NOMINAL AA END IN; Taper Bore Minor Diameter: 0.170 INCHES NOMINAL IN; Bore Length: 0.625 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.