The Pulley,groove, cataloged under National Stock Number 3020-01-467-5388, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 25 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-467-5388 |
| Primary Part Number | 7E4840 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 80.0 MILLIMETERS NOMINAL AA END MM |
| Bore Feature | NOT INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Design Form | PLAIN |
| First Step Face Largest Diameter and Location | 28.1 MILLIMETERS NOMINAL AA END MM |
| Groove Radius | 45.0 MILLIMETERS NOMINAL MM |
| Groove Shape | V |
| Outside Diameter | 166.0 MILLIMETERS NOMINAL MM |
| Style Designator | WEBBED OR SPOKED |
| Pitch Diameter | 159.4 MILLIMETERS MINIMUM AND 159.9 MILLIMETERS MAXIMUM MM |
| Groove Depth | 3.0 MILLIMETERS NOMINAL MM |
| Groove Quantity | 7 |
| V Groove Angle in Deg | 40.0 |
| Protruding Hub Characteristic | STEPPED |
| Securing Hole Quantity | 4 |
| Bolt Circle Diameter | 10.5 MILLIMETERS NOMINAL MM |
| Unable to Decode | UNABLE TO DECODE |
| Distance From Outside Flange/rim to Hub End and Location | 18.5 MILLIMETERS NOMINAL AA END MM |
| Hole Location | 58 MM FROM THE OUTSIDE DIAMETER MM |
| Material | IRON BODY |
| Face Width | 36.5 MILLIMETERS NOMINAL MM |
| Groove Width | 3.5 MILLIMETERS NOMINAL MM |
| Securing Location | BOTH ENDS |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 7E4840 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 3020-01-467-5388 is a Pulley,groove, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-467-5388 has 1 manufacturer part number on file: 7E4840 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 7E4840: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 80.0 MILLIMETERS NOMINAL AA END MM; Bore Feature: NOT INCLUDED; Split Hub Feature: NOT INCLUDED. 25 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.