The Sprocket Wheel, cataloged under National Stock Number 3020-00-892-4580, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-892-4580 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Securing Method | DRILLED HOLE |
| Bore Length | 1.156 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 2.000 INCHES NOMINAL IN |
| Asa Standard Chain Number | 160 |
| Outside Diameter | 67.388 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Material Document and Classification | AISI 1045 ASSN STD SINGLE MATERIAL RESPONSE |
| Pitch Diameter | 66.218 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 104 |
| Hardness Rating Test Method | NOT RATED |
| Securing Hole Quantity | 12 |
| Bolt Circle Diameter | 56.000 INCHES NOMINAL IN |
| Drilled Hole Diameter | 1.031 INCHES NOMINAL IN |
| Hole Location | EQUALLY SPACED |
| Bore Diameter | 52.000 INCHES NOMINAL IN |
| Material | STEEL COMP 1045 |
| Face Width | 1.156 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 |
|---|---|
| D12531B | 3/9 Design control — primary reference U.S. Government activity |
NSN 3020-00-892-4580 is a Sprocket Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-892-4580: Securing Method: DRILLED HOLE; Bore Length: 1.156 INCHES NOMINAL IN; Design Form: PLAIN; Tooth Pitch: 2.000 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.