The Pulley,groove, cataloged under National Stock Number 3020-01-264-1917, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 28 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-264-1917 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 0.438 INCHES NOMINAL AA END IN |
| Bore Feature | INCLUDED |
| Securing Method | THREADED HOLE(S) |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 0.337 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Groove Radius | 0.035 INCHES NOMINAL IN |
| Groove Shape | U |
| Outside Diameter | 0.438 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Material Document and Classification | QQ-B-626, COMP 360, 1/2 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Groove Depth | 0.059 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 1 |
| Protruding Hub Characteristic | PLAIN |
| Securing Hole Quantity | 1 |
| Thread Size | 0.112-40 |
| Unable to Decode | UNABLE TO DECODE |
| Distance From Outside Flange/rim to Hub End and Location | 0.187 INCHES NOMINAL AA END IN |
| Hole Location | 0.100 IN.FROM HUB END IN |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 0.059 INCHES NOMINAL IN |
| Material | COPPER ALLOY 360 OVERALL |
| Unable to Decode | UNABLE TO DECODE |
| Face Width | 0.150 INCHES NOMINAL IN |
| Groove Width | 0.070 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 |
|---|---|
| 0421-1-2328 | 3/9 Design control — primary reference Usacecom Intelligence Electronic Warfare Sensors Directorate |
NSN 3020-01-264-1917 is a Pulley,groove, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-264-1917: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 0.438 INCHES NOMINAL AA END IN; Bore Feature: INCLUDED; Securing Method: THREADED HOLE(S). 28 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.