The Sprocket Wheel, cataloged under National Stock Number 3020-01-276-3650, 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 L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division. Government technical data includes 25 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 | 3020-01-276-3650 |
| Primary Part Number | 519-01-274-1 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division |
| Status | ACTIVE |
| Hub Outside Diameter | 2.594 INCHES NOMINAL AA END IN |
| Securing Method | SETSCREW |
| Bore Length | 0.750 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.500 INCHES NOMINAL IN |
| Asa Standard Chain Number | 43 |
| Outside Diameter | 3.434 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Pitch Diameter | 3.196 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 20 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | NOT RATED |
| Distance From Center of Bore to Bottom of Keyway | 0.414 INCHES NOMINAL IN |
| Distance From Hub End to Flange End | 0.750 INCHES NOMINAL AA END IN |
| Keyway Width | 0.188 INCHES NOMINAL IN |
| Bore Diameter | 0.750 INCHES NOMINAL IN |
| Material | STEEL |
| Furnished Items | KEYING FACILITY AND LIGHTENING HOLE |
| Face Width | 0.110 INCHES NOMINAL IN |
| Furnished Items and Quantity | SET SCREW ONE |
| Securing Location | AA END |
| 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 |
|---|---|
| 519-01-274-1 PRIMARY | L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division (USA) |
NSN 3020-01-276-3650 is a Sprocket Wheel, manufactured by L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-276-3650 has 1 manufacturer part number on file: 519-01-274-1 (L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division).
Key specifications for 519-01-274-1: Hub Outside Diameter: 2.594 INCHES NOMINAL AA END IN; Securing Method: SETSCREW; Bore Length: 0.750 INCHES NOMINAL IN; Design Form: PLAIN. 25 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.