The Sprocket Wheel, cataloged under National Stock Number 3020-00-080-0635, 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 Reliance Electric Company Dba Reliance & Dodge Brands. Government technical data includes 15 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 | 3020-00-080-0635 |
| Primary Part Number | TLB423 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Reliance Electric Company Dba Reliance & Dodge Brands |
| Status | ACTIVE |
| Hub Outside Diameter | 3.000 INCHES NOMINAL AA END IN |
| Bore Length | 1.000 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Asa Standard Chain Number | 40 1/2 |
| Outside Diameter | 3.938 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Pitch Diameter | 3.672 INCHES NOMINAL IN |
| Bore Type | STRAIGHT SPLINE |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 23 |
| Taper Bore Major Diameter | 1.625 INCHES MAXIMUM IN |
| Protruding Hub Characteristic | PLAIN |
| Distance From Hub End to Flange End | 0.716 INCHES NOMINAL AA END 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 |
|---|---|
| TLB423 PRIMARY | Reliance Electric Company Dba Reliance & Dodge Brands (USA) |
NSN 3020-00-080-0635 is a Sprocket Wheel, manufactured by Reliance Electric Company Dba Reliance & Dodge Brands, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-080-0635 has 1 manufacturer part number on file: TLB423 (Reliance Electric Company Dba Reliance & Dodge Brands).
Key specifications for TLB423: Hub Outside Diameter: 3.000 INCHES NOMINAL AA END IN; Bore Length: 1.000 INCHES NOMINAL IN; Design Form: PLAIN; Asa Standard Chain Number: 40 1/2. 15 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.