The Pulley,groove, cataloged under National Stock Number 3020-01-623-3385, 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 Naval Sea Systems Command. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-623-3385 |
| Primary Part Number | 6397424-22 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 5.75 INCHES NOMINAL BOTH ENDS IN |
| Bore Feature | NOT INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Design Form | PLAIN |
| Groove Shape | V |
| Outside Diameter | 16.0 INCHES NOMINAL IN |
| Style Designator | WEBBED OR SPOKED |
| Groove Depth | 1.3125 INCHES NOMINAL IN |
| Groove Quantity | 1 |
| V Groove Angle in Deg | 50.0 |
| Unable to Decode | UNABLE TO DECODE |
| Distance From Outside Flange/rim to Hub End and Location | 0.125 INCHES NOMINAL BOTH ENDS IN |
| Material | STEEL OVERALL |
| Face Width | 2.5 INCHES NOMINAL IN |
| Lightening Hole | NOT INCLUDED |
| 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 |
|---|---|
| 6397424 PC NO 22 | Naval Sea Systems Command (USA) |
| 6397424-22 | Lake Shore Systems, Inc. (USA) |
| 6397424-22 PRIMARY | Naval Sea Systems Command (USA) |
NSN 3020-01-623-3385 is a Pulley,groove, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-623-3385 has 3 manufacturer part numbers on file: 6397424 PC NO 22 (Naval Sea Systems Command), 6397424-22 (Lake Shore Systems, Inc.), 6397424-22 (Naval Sea Systems Command).
Key specifications for 6397424-22: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 5.75 INCHES NOMINAL BOTH ENDS IN; Bore Feature: NOT INCLUDED; Split Hub Feature: NOT INCLUDED. 16 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.