The Pulley,groove, cataloged under National Stock Number 3020-01-353-8573, 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 Wiggins Lift Co Inc. Government technical data includes 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-353-8573 |
| Primary Part Number | 663203 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Wiggins Lift Co Inc |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 1.090 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Groove Radius | 0.380 INCHES NOMINAL IN |
| Groove Shape | U |
| Outside Diameter | 7.000 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Groove Depth | 1.500 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 1 |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 0.656 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Face Width | 1.000 INCHES NOMINAL IN |
| Groove Width | 0.750 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 |
| Part Number | Manufacturer |
|---|---|
| 663203 PRIMARY | Wiggins Lift Co Inc (USA) |
| Reference | Meaning |
|---|---|
| A074183 | D/9 Drawing number reference only Brudi Inc |
| 074183 | 5/9 Secondary reference Brudi Inc |
NSN 3020-01-353-8573 is a Pulley,groove, manufactured by Wiggins Lift Co Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-353-8573 has 1 manufacturer part number on file: 663203 (Wiggins Lift Co Inc).
Key specifications for 663203: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Split Hub Feature: NOT INCLUDED; Bore Length: 1.090 INCHES NOMINAL IN. 19 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.