The Sprocket Wheel, cataloged under National Stock Number 3020-01-067-3256, 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 Level 10 Industries, Inc. Div Level 10 Industries. Government technical data includes 21 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-067-3256 |
| Primary Part Number | 507190 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Level 10 Industries, Inc. Div Level 10 Industries |
| Status | ACTIVE |
| Spline Minor Diameter | 1.300 INCHES NOMINAL IN |
| Hub Outside Diameter | 2.000 INCHES NOMINAL AA END IN |
| Design Form | PLAIN |
| Tooth Pitch | 1.000 INCHES NOMINAL IN |
| Outside Diameter | 5.812 INCHES NOMINAL IN |
| Spline Length | 1.250 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Pitch Diameter | 5.125 INCHES NOMINAL IN |
| Spline Major Diameter | 1.200 INCHES NOMINAL IN |
| Bore Type | INVOLUTE SPLINE |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 16 |
| Spline Pressure Angle in Deg | 30.0 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | NOT RATED |
| Spline Quantity | 25 |
| Distance From Hub End to Flange End | 0.750 INCHES NOMINAL AA END IN |
| Surface Treatment | OXIDE |
| Material | STEEL |
| Face Width | 0.500 INCHES NOMINAL IN |
| Spline Pitch Diameter | 1.2500 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 |
|---|---|
| 507190 PRIMARY | Level 10 Industries, Inc. Div Level 10 Industries (USA) |
| 519778 PRIMARY | Level 10 Industries, Inc. Div Level 10 Industries (USA) |
| Reference | Meaning |
|---|---|
| SH-7401 DETAIL 35 | 5/9 Secondary reference Cooper Industries Inc Dba Cooper Tools |
| 519778 | 5/9 Secondary reference Cooper Industries Inc Dba Cooper Tools |
| 507190 | 5/9 Secondary reference Cooper Industries Inc Dba Cooper Tools |
NSN 3020-01-067-3256 is a Sprocket Wheel, manufactured by Level 10 Industries, Inc. Div Level 10 Industries, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-067-3256 has 2 manufacturer part numbers on file: 507190 (Level 10 Industries, Inc. Div Level 10 Industries), 519778 (Level 10 Industries, Inc. Div Level 10 Industries).
Key specifications for 507190: Spline Minor Diameter: 1.300 INCHES NOMINAL IN; Hub Outside Diameter: 2.000 INCHES NOMINAL AA END IN; Design Form: PLAIN; Tooth Pitch: 1.000 INCHES NOMINAL IN. 21 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.