The Sprocket Wheel, cataloged under National Stock Number 3020-01-727-7980, 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 Mcmaster-Carr Supply Co. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-727-7980 |
| Primary Part Number | 2345K234 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Keyway Depth | 0.09375 INCHES NOMINAL IN |
| Securing Method | SETSCREW |
| Bore Length | 0.750 INCHES NOMINAL IN |
| Design Form | SPOKED |
| Tooth Pitch | 0.375 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 20 |
| Hardness Rating Test Method | NOT RATED |
| Securing Hole Quantity | 2 |
| Thread Size | 0.250-20 UNC |
| Keyway Width | 0.1875 INCHES NOMINAL IN |
| Bore Diameter | 0.750 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 2345K234 | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 35B20SS | 3/9 Design control — primary reference Martin Sprocket and Gear Co Inc |
NSN 3020-01-727-7980 is a Sprocket Wheel, manufactured by Mcmaster-Carr Supply Co, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-727-7980 has 1 manufacturer part number on file: 2345K234 (Mcmaster-Carr Supply Co).
Key specifications for 2345K234: Keyway Depth: 0.09375 INCHES NOMINAL IN; Securing Method: SETSCREW; Bore Length: 0.750 INCHES NOMINAL IN; Design Form: SPOKED. 16 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.