The Pulley,groove, cataloged under National Stock Number 3020-01-374-8203, 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 Artemis Electronics Llc. Government technical data includes 15 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-374-8203 |
| Primary Part Number | 202034-1 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Artemis Electronics Llc |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 1.720 INCHES MINIMUM AND 1.730 INCHES MAXIMUM AA END IN |
| Bore Feature | NOT INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Design Form | PLAIN |
| Groove Shape | V |
| Outside Diameter | 4.425 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Material Document and Classification | QQ-A-225/8, ALLOY 6061, T651 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Groove Quantity | 2 |
| V Groove Angle in Deg | 36.0 |
| Unable to Decode | UNABLE TO DECODE AND UNABLE TO DECODE |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Face Width | 0.555 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 |
|---|---|
| 202034-1 PRIMARY | Artemis Electronics Llc (USA) |
| Reference | Meaning |
|---|---|
| 202034 | 5/9 Secondary reference Walker Power Systems, Inc. Dba Tiernay Turbines |
| 3020013748203 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 202034-1 | 5/9 Secondary reference Transtar Metals Corp |
| 202034-1 | 3/9 Design control — primary reference Walker Power Systems, Inc. Dba Tiernay Turbines |
NSN 3020-01-374-8203 is a Pulley,groove, manufactured by Artemis Electronics Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-374-8203 has 1 manufacturer part number on file: 202034-1 (Artemis Electronics Llc).
Key specifications for 202034-1: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 1.720 INCHES MINIMUM AND 1.730 INCHES MAXIMUM AA END IN; Bore Feature: NOT INCLUDED; Split Hub Feature: NOT INCLUDED. 15 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.