The Sprocket Wheel, cataloged under National Stock Number 3020-00-293-5136, 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 22 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-293-5136 |
| Primary Part Number | 8705893 |
| 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 |
| Securing Method | DRILLED HOLE |
| Bore Length | 1.218 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Teeth Hardness Rating | 55.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM |
| Tooth Pitch | 7.140 INCHES NOMINAL IN |
| Outside Diameter | 28.187 INCHES MINIMUM AND 28.250 INCHES MAXIMUM IN |
| Style Designator | PLAIN |
| Metallic Hardness Rating and Location | 50.0 ROCKWELL C MINIMUM HUB |
| Material Document and Classification | QQ-S-626,FS 1345,FS4150,FS8650,FS 8750 FED SPEC ALL MATERIAL RESPONSES |
| Pitch Diameter | 1.625 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 11 |
| Hardness Rating Test Method | ROCKWELL |
| Securing Hole Quantity | 11 |
| Bolt Circle Diameter | 15.452 INCHES NOMINAL IN |
| Drilled Hole Diameter | 6.000 INCHES NOMINAL IN |
| Hole Location | EQUALLY SPACED AND CENTRAL W/TEETH |
| Bore Diameter | 15.000 INCHES MINIMUM AND 15.125 INCHES MAXIMUM IN |
| Material | STEEL COMP 1345 OR STEEL COMP 4150 OR STEEL COMP 8650 OR STEEL COMP 8750 |
| Face Width | 1.875 INCHES NOMINAL IN |
| Securing Location | BB END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL E — Frag Demil |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8705893 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 3020002935136 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 3020PL2217477 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 3020-00-293-5136 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 3020-00-293-5136 has 1 manufacturer part number on file: 8705893 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8705893: Securing Method: DRILLED HOLE; Bore Length: 1.218 INCHES NOMINAL IN; Design Form: PLAIN; Teeth Hardness Rating: 55.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM. 22 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.
NSN 3020-00-293-5136 has DEMIL Code E. Demilitarization may be required before disposal or transfer to non-military entities.
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.