The Sprocket Wheel, cataloged under National Stock Number 3020-01-279-1675, 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 20 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 | 3020-01-279-1675 |
| Primary Part Number | 12292420-5 |
| 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 |
| Hub Outside Diameter | 1.126 INCHES MINIMUM AND 1.186 INCHES MAXIMUM AA END IN |
| Bore Length | 0.005 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.500 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Material Document and Classification | AISI 1030 ASSN STD 1ST MATERIAL RESPONSE AND AISI 1045 ASSN STD 2ND MATERIAL RESPONSE |
| Pitch Diameter | 1.308 INCHES MINIMUM AND 1.316 INCHES MAXIMUM IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 10 |
| Hardness Rating Test Method | NOT RATED |
| Distance From Center of Bore to Bottom of Keyway | 0.100 INCHES NOMINAL IN |
| Keyway Width | 0.002 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE MANGANESE |
| Bore Diameter | 0.001 INCHES NOMINAL IN |
| Material | STEEL COMP 1030 AND STEEL COMP 1045 |
| Furnished Items | KEYING FACILITY |
| Face Width | 0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM 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 |
|---|---|
| 12292420-5 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3020-01-279-1675 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 3020-01-279-1675 has 1 manufacturer part number on file: 12292420-5 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12292420-5: Hub Outside Diameter: 1.126 INCHES MINIMUM AND 1.186 INCHES MAXIMUM AA END IN; Bore Length: 0.005 INCHES NOMINAL IN; Design Form: PLAIN; Tooth Pitch: 0.500 INCHES NOMINAL IN. 20 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.