The Pulley,groove, cataloged under National Stock Number 3020-00-078-2479, 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28 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-078-2479 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 1.500 INCHES NOMINAL AA END IN |
| Bore Feature | INCLUDED |
| Securing Method | THREADED HOLE(S) |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 1.312 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Outside Diameter | 10.000 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Pitch Diameter | 9.650 INCHES NOMINAL IN |
| Groove Depth | 0.500 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 1 |
| V Groove Angle in Deg | 34.0 |
| Protruding Hub Characteristic | PLAIN |
| Securing Hole Quantity | 1 |
| Thread Size | 1/4-20 |
| Unable to Decode | UNABLE TO DECODE |
| Hole Location | 0.250 IN.FROM END TO HOLE @CENTER IN |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 0.750 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Unable to Decode | UNABLE TO DECODE |
| Face Width | 0.906 INCHES NOMINAL IN |
| Groove Width | 0.500 INCHES NOMINAL IN |
| Securing Location | AA END |
| 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 |
|---|---|
| 0024896 | 3/9 Design control — primary reference Crane Co Dba Crane-Deming Pumps Division Div Deming Pumps |
NSN 3020-00-078-2479 is a Pulley,groove, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-078-2479: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 1.500 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.