The Pulley,groove, cataloged under National Stock Number 3020-01-078-7573, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-078-7573 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 8.0 MILLIMETERS NOMINAL AA END MM |
| Bore Feature | INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 7.0 MILLIMETERS NOMINAL MM |
| Design Form | WEBBED |
| Web/spoke Relationship to Face Centerline | NOT OFFSET |
| Groove Radius | 2.3 MILLIMETERS NOMINAL MM |
| Groove Shape | U |
| Outside Diameter | 26.0 MILLIMETERS NOMINAL MM |
| Style Designator | WEBBED OR SPOKED |
| Groove Depth | 6.0 MILLIMETERS NOMINAL MM |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 1 |
| Protruding Hub Characteristic | PLAIN |
| Unable to Decode | UNABLE TO DECODE |
| Distance From Outside Flange/rim to Hub End and Location | 2.0 MILLIMETERS NOMINAL AA END MM |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 4.0 MILLIMETERS NOMINAL MM |
| Unable to Decode | UNABLE TO DECODE |
| Face Width | 4.5 MILLIMETERS NOMINAL MM |
| Groove Width | 4.5 MILLIMETERS NOMINAL MM |
| 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 |
| Reference | Meaning |
|---|---|
| 4364260201 | 3/9 Design control — primary reference Corlon Mfg Corp |
NSN 3020-01-078-7573 is a Pulley,groove, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-078-7573: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 8.0 MILLIMETERS NOMINAL AA END MM; Bore Feature: INCLUDED; Split Hub Feature: NOT INCLUDED. 24 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.