The Pulley,groove, cataloged under National Stock Number 3020-00-147-5919, 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24 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-147-5919 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 1.880 INCHES NOMINAL BOTH ENDS IN |
| Bore Feature | INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 0.821 INCHES NOMINAL IN |
| Design Form | SPOKED |
| Outside Diameter | 4.850 INCHES NOMINAL IN |
| Style Designator | WEBBED OR SPOKED |
| Material Document and Classification | QQ-A-601, ALLOY 356, T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 4.650 INCHES NOMINAL IN |
| Groove Depth | 0.300 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 1 |
| V Groove Angle in Deg | 42.5 |
| Unable to Decode | UNABLE TO DECODE |
| Surface Treatment | ENAMEL |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 1.378 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 356.0 OVERALL |
| Unable to Decode | UNABLE TO DECODE |
| Face Width | 0.562 INCHES NOMINAL IN |
| Groove Width | 0.362 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 |
| Reference | Meaning |
|---|---|
| 715527-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-147-5919 is a Pulley,groove, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-147-5919: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 1.880 INCHES NOMINAL BOTH ENDS IN; 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.