The Sprocket Wheel, cataloged under National Stock Number 3020-00-722-3633, 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 25 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-722-3633 |
| Primary Part Number | 10891835 |
| 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 | 1.250 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Teeth Hardness Rating | 50.0 ROCKWELL C NOMINAL |
| Tooth Pitch | 6.082 INCHES NOMINAL IN |
| Outside Diameter | 23.500 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Material Document and Classification | QQ-S-626, FS1345H FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-626, FS9445 FED SPEC 2ND MATERIAL RESPONSE |
| Pitch Diameter | 21.297 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Counterbore Depth | 0.500 INCHES NOMINAL IN |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 11 |
| Counterbore Location | BOTH ENDS |
| Hardness Rating Test Method | ROCKWELL |
| Counterbore Diameter | 17.240 INCHES MINIMUM AND 17.245 INCHES MAXIMUM IN |
| Securing Hole Quantity | 11 |
| Bolt Circle Diameter | 16.000 INCHES NOMINAL IN |
| Drilled Hole Diameter | 0.687 INCHES NOMINAL IN |
| Surface Treatment | PAINT |
| Hole Location | ON FACE OF SPROCKET |
| Bore Diameter | 14.500 INCHES NOMINAL IN |
| Material | STEEL COMP 1345H AND STEEL COMP 9445 |
| Furnished Items | COUNTERBORE |
| Face Width | 1.250 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 |
|---|---|
| 10891835 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 3020007223633 | 5/9 Secondary reference E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 3020-00-722-3633 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 3020-00-722-3633 has 1 manufacturer part number on file: 10891835 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10891835: Securing Method: DRILLED HOLE; Bore Length: 1.250 INCHES NOMINAL IN; Design Form: PLAIN; Teeth Hardness Rating: 50.0 ROCKWELL C NOMINAL. 25 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.