The Pulley,groove, cataloged under National Stock Number 3020-00-199-9786, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 30 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-199-9786 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 1.000 INCHES NOMINAL BOTH ENDS IN |
| Bore Feature | INCLUDED |
| Securing Method | DRILLED HOLE |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 1.058 INCHES MINIMUM AND 1.068 INCHES MAXIMUM IN |
| Design Form | WEBBED |
| Web/spoke Relationship to Face Centerline | OFFSET |
| Groove Shape | V |
| Outside Diameter | 5.137 INCHES NOMINAL IN |
| Spline Length | 0.418 INCHES MINIMUM AND 0.423 INCHES MAXIMUM IN |
| Style Designator | WEBBED OR SPOKED |
| Pitch Diameter | 3.750 INCHES NOMINAL IN |
| Spline Major Diameter | 0.750 INCHES NOMINAL IN |
| Groove Depth | 0.6935 INCHES NOMINAL IN |
| Bore Type | STRAIGHT SPLINE |
| Bearings | NOT INCLUDED |
| Groove Quantity | 2 |
| V Groove Angle in Deg | 36.0 |
| Spline Quantity | 6 |
| Securing Hole Quantity | 4 |
| Drilled Hole Diameter | 0.125 INCHES NOMINAL IN |
| Unable to Decode | UNABLE TO DECODE |
| Surface Treatment | CADMIUM |
| Distance From Outside Flange/rim to Hub End and Location | 0.547 INCHES NOMINAL BOTH ENDS IN |
| Hole Location | LOCATED BOTH SIDES 0.19 IN. HORIZONAL CENTERLINE,1.25 IN. VERTICAL CENTERLINE IN |
| Minor Diameter | 0.599 INCHES MINIMUM AND 0.600 INCHES MAXIMUM SPLINE IN |
| Counterbore Feature | NOT INCLUDED |
| Material | STEEL OVERALL |
| Unable to Decode | UNABLE TO DECODE |
| 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 |
|---|---|
| 47-620-572-3 | 5/9 Secondary reference U.S. Government activity |
| 47-620-572-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-199-9786 is a Pulley,groove, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-199-9786: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 1.000 INCHES NOMINAL BOTH ENDS IN; Bore Feature: INCLUDED; Securing Method: DRILLED HOLE. 30 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.