The Sprocket Wheel, cataloged under National Stock Number 3020-01-450-8562, 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 The Entwistle Company Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-450-8562 |
| Primary Part Number | 9310A6037-001 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | The Entwistle Company Llc |
| Status | ACTIVE |
| Hub Outside Diameter | 2.690 INCHES NOMINAL AA END IN |
| Securing Method | SETSCREW |
| Bore Length | 1.000 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.625 INCHES NOMINAL IN |
| Asa Standard Chain Number | 50 |
| Outside Diameter | 3.720 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Pitch Diameter | 3.400 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 17 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | NOT RATED |
| Distance From Center of Bore to Bottom of Keyway | 0.769 INCHES NOMINAL IN |
| Distance From Hub End to Flange End | 0.660 INCHES NOMINAL AA END IN |
| Keyway Width | 0.315 INCHES NOMINAL IN |
| Bore Diameter | 1.252 INCHES NOMINAL IN |
| Material | STEEL |
| 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 |
|---|---|
| 9310A6037-001 | The Entwistle Company Llc (USA) |
| Reference | Meaning |
|---|---|
| 50BS17-1-1/4 | 3/9 Design control — primary reference Martin Sprocket and Gear Inc |
NSN 3020-01-450-8562 is a Sprocket Wheel, manufactured by The Entwistle Company Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-450-8562 has 1 manufacturer part number on file: 9310A6037-001 (The Entwistle Company Llc).
Key specifications for 9310A6037-001: Hub Outside Diameter: 2.690 INCHES NOMINAL AA END IN; Securing Method: SETSCREW; Bore Length: 1.000 INCHES NOMINAL IN; Design Form: PLAIN. 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.