The Sprocket Wheel, cataloged under National Stock Number 3020-00-069-9263, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-069-9263 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Spline Minor Diameter | 3.250 INCHES NOMINAL IN |
| Hub Outside Diameter | 4.188 INCHES NOMINAL AA END IN |
| Design Form | PLAIN |
| Tooth Pitch | 2.000 INCHES NOMINAL IN |
| Asa Standard Chain Number | 160-2 |
| Outside Diameter | 13.250 INCHES NOMINAL IN |
| Spline Length | 4.000 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Pitch Diameter | 12.500 INCHES NOMINAL IN |
| Spline Major Diameter | 3.500 INCHES NOMINAL IN |
| Bore Type | STRAIGHT SPLINE |
| Counterbore Depth | 0.625 INCHES NOMINAL IN |
| Teeth Row Quantity | 2 |
| Teeth Quantity Per Row | 20 |
| Counterbore Location | AA END |
| Protruding Hub Characteristic | PLAIN |
| Spline Quantity | 10 |
| Counterbore Diameter | 3.625 INCHES NOMINAL IN |
| Distance From Hub End to Flange End | 0.938 INCHES NOMINAL AA END IN |
| Center to Center Distance Between Teeth Rows | 2.500 INCHES NOMINAL IN |
| Surface Treatment | PAINT |
| Material | STEEL |
| Furnished Items | COUNTERBORE |
| Face Width | 3.688 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 |
| Reference | Meaning |
|---|---|
| 404129 | 3/9 Design control — primary reference American Standard Inc Westinghouse Air Brake Co Div |
NSN 3020-00-069-9263 is a Sprocket Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3010-00-421-1359. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-00-069-9263: Spline Minor Diameter: 3.250 INCHES NOMINAL IN; Hub Outside Diameter: 4.188 INCHES NOMINAL AA END IN; Design Form: PLAIN; Tooth Pitch: 2.000 INCHES NOMINAL IN. 24 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.