The Sprocket Wheel, cataloged under National Stock Number 3020-01-235-6067, 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 Emerson Electric Co Browning Mfg Div. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-235-6067 |
| Primary Part Number | 40B12 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Emerson Electric Co Browning Mfg Div |
| Status | ACTIVE |
| Hub Outside Diameter | 1.594 INCHES NOMINAL AA END IN |
| Bore Length | 0.875 INCHES MAXIMUM IN |
| Design Form | PLAIN |
| Tooth Pitch | 1.932 INCHES NOMINAL IN |
| Outside Diameter | 2.172 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Pitch Diameter | 1.932 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 12 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | NOT RATED |
| Distance From Hub End to Flange End | 0.594 INCHES NOMINAL AA END IN |
| Bore Diameter | 0.500 INCHES NOMINAL IN |
| Material | STEEL |
| Face Width | 0.284 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 |
|---|---|
| 40B12 PRIMARY | Emerson Electric Co Browning Mfg Div (USA) |
| 283558-2062 | Atlantic Inertial Systems Limited (GBR) |
NSN 3020-01-235-6067 is a Sprocket Wheel, manufactured by Emerson Electric Co Browning Mfg Div, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-235-6067 has 2 manufacturer part numbers on file: 40B12 (Emerson Electric Co Browning Mfg Div), 283558-2062 (Atlantic Inertial Systems Limited).
Key specifications for 40B12: Hub Outside Diameter: 1.594 INCHES NOMINAL AA END IN; Bore Length: 0.875 INCHES MAXIMUM IN; Design Form: PLAIN; Tooth Pitch: 1.932 INCHES NOMINAL IN. 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.