The Sprocket Wheel, cataloged under National Stock Number 3020-01-054-0291, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 21 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. 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 | 3020-01-054-0291 |
| Primary Part Number | 12266115-3 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Spline Minor Diameter | 2.303 INCHES NOMINAL IN |
| Hub Outside Diameter | 3.560 INCHES NOMINAL AA END IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.750 INCHES NOMINAL IN |
| Outside Diameter | 5.907 INCHES NOMINAL IN |
| Spline Length | 1.500 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Pitch Diameter | 5.508 INCHES NOMINAL IN |
| Spline Major Diameter | 2.595 INCHES NOMINAL IN |
| Bore Type | INVOLUTE SPLINE |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 23 |
| Spline Pressure Angle in Deg | 30.0 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | NOT RATED |
| Spline Quantity | 24 |
| Distance From Hub End to Flange End | 1.041 INCHES NOMINAL AA END IN |
| Surface Treatment | CADMIUM |
| Material | STEEL |
| Face Width | 0.459 INCHES NOMINAL IN |
| Spline Pitch Diameter | 2.400 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 |
|---|---|
| 12266115-3 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3020-01-054-0291 is a Sprocket Wheel, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-054-0291 has 1 manufacturer part number on file: 12266115-3 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-446-5926. Verify interchangeability with system specifications before substitution.
Key specifications for 12266115-3: Spline Minor Diameter: 2.303 INCHES NOMINAL IN; Hub Outside Diameter: 3.560 INCHES NOMINAL AA END IN; Design Form: PLAIN; Tooth Pitch: 0.750 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.