The Pulley,cone, cataloged under National Stock Number 3020-00-432-9643, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-432-9643 |
| Item Name | Pulley,cone |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Distance From Center of Bore to Top of Key | 0.125 INCHES NOMINAL IN |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 2.000 INCHES NOMINAL AA END IN |
| Securing Method | THREADED HOLE(S) |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 1.500 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Key Width | 0.312 INCHES NOMINAL IN |
| Face Type | STEP GROOVE |
| Groove Shape | V |
| Keying Facility Type | INTEGRAL KEY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Keying Facility Spacing in Deg | 180.0 |
| Groove Depth | 0.750 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Counterbore Depth | 1.812 INCHES NOMINAL IN |
| Groove Quantity | 3 |
| Counterbore Location | BB END |
| V Groove Angle in Deg | 42.0 |
| Protruding Hub Characteristic | PLAIN |
| Counterbore Diameter | 4.250 INCHES NOMINAL IN |
| Bore Bearing | NOT INCLUDED |
| V Groove Pitch Diameter | 9.125 INCHES NOMINAL IN |
| Securing Hole Quantity | 2 |
| Bolt Circle Diameter | 3.625 INCHES NOMINAL IN |
| Thread Size | 7/16-14 |
| Step Outside Diameter | 9.500 INCHES NOMINAL AND 8.125 INCHES NOMINAL AND 6.750 INCHES NOMINAL IN |
| Distance From Outside Flange/rim to Hub End and Location | 1.125 INCHES NOMINAL AA END 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 |
|---|---|
| AR5125 | 5/9 Secondary reference Cummins Inc. |
| BM96011 | 5/9 Secondary reference Cummins Inc. |
| 3012889 | 3/9 Design control — primary reference Cummins Inc. |
| AR51538 | 5/9 Secondary reference Cummins Inc. |
NSN 3020-00-432-9643 is a Pulley,cone, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-432-9643: Distance From Center of Bore to Top of Key: 0.125 INCHES NOMINAL IN; Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 2.000 INCHES NOMINAL AA END IN; Securing Method: THREADED HOLE(S). 29 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.