The Sprocket Wheel, cataloged under National Stock Number 3020-00-401-8307, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-401-8307 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Securing Method | DRILLED HOLE |
| Bore Length | 0.125 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Teeth Hardness Rating | 50.0 ROCKWELL C MINIMUM AND 54.0 ROCKWELL C MAXIMUM |
| Tooth Pitch | 0.750 INCHES NOMINAL IN |
| Asa Standard Chain Number | 60 |
| Outside Diameter | 13.812 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Metallic Hardness Rating and Location | 50.0 ROCKWELL C MINIMUM BODY AND 54.0 ROCKWELL C MAXIMUM BODY |
| Pitch Diameter | 13.376 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 56 |
| Hardness Rating Test Method | ROCKWELL |
| Securing Hole Quantity | 6 |
| Bolt Circle Diameter | 6.500 INCHES NOMINAL IN |
| Drilled Hole Diameter | 0.531 INCHES NOMINAL IN |
| Hole Location | THRU SPROCKET BODY |
| Bore Diameter | 5.300 INCHES NOMINAL IN |
| Material | STEEL |
| Furnished Items | LIGHTENING HOLE |
| Face Width | 0.125 INCHES NOMINAL IN |
| Securing Location | BOTH ENDS |
| 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 |
|---|---|
| 201B2455 | 3/9 Design control — primary reference Arrow-Master, Incorporated |
NSN 3020-00-401-8307 is a Sprocket Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-401-8307: Securing Method: DRILLED HOLE; Bore Length: 0.125 INCHES NOMINAL IN; Design Form: PLAIN; Teeth Hardness Rating: 50.0 ROCKWELL C MINIMUM AND 54.0 ROCKWELL C MAXIMUM. 23 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.