The Pulley,groove, cataloged under National Stock Number 3020-01-006-7606, 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 W.w. Grainger, Inc. Div Government Sales Division. Government technical data includes 17 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 | 3020-01-006-7606 |
| Primary Part Number | 1X447 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | W.w. Grainger, Inc. Div Government Sales Division |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Securing Method | SETSCREW |
| Split Hub Feature | NOT INCLUDED |
| Design Form | PLAIN |
| Groove Shape | V |
| Outside Diameter | 3.250 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Pitch Diameter | 1.800 INCHES MINIMUM AND 3.200 INCHES MAXIMUM IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 1 |
| Protruding Hub Characteristic | PLAIN |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 0.500 INCHES NOMINAL IN |
| Material | ALUMINUM OVERALL |
| 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 |
|---|---|
| 1X447 PRIMARY | W.w. Grainger, Inc. Div Government Sales Division (USA) |
NSN 3020-01-006-7606 is a Pulley,groove, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-006-7606 has 1 manufacturer part number on file: 1X447 (W.w. Grainger, Inc. Div Government Sales Division).
Key specifications for 1X447: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Securing Method: SETSCREW; Split Hub Feature: NOT INCLUDED. 17 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.