The Pulley,groove, cataloged under National Stock Number 3020-01-421-6771, 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 Universal Fabric Structures, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-421-6771 |
| Primary Part Number | 9434530-10 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Universal Fabric Structures, Inc. |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 1.570 INCHES NOMINAL BOTH ENDS IN |
| Bore Feature | INCLUDED |
| Securing Method | BOLTED THROUGH BORE |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 1.020 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Groove Radius | 0.180 INCHES NOMINAL IN |
| Groove Shape | U |
| Outside Diameter | 2.950 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Groove Depth | 0.780 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Groove Quantity | 1 |
| Protruding Hub Characteristic | PLAIN |
| Unable to Decode | UNABLE TO DECODE |
| Distance From Outside Flange/rim to Hub End and Location | 0.065 INCHES NOMINAL BOTH ENDS IN |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 0.790 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Unable to Decode | UNABLE TO DECODE |
| Face Width | 0.890 INCHES NOMINAL IN |
| Furnished Items and Quantity | ONE ZINC TREATED STEEL MOUNTING FRAME |
| 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 |
|---|---|
| 9434530-10 PRIMARY | Universal Fabric Structures, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 9434530 | D/9 Drawing number reference only U.S. Government activity |
NSN 3020-01-421-6771 is a Pulley,groove, manufactured by Universal Fabric Structures, Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-421-6771 has 1 manufacturer part number on file: 9434530-10 (Universal Fabric Structures, Inc.).
Key specifications for 9434530-10: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 1.570 INCHES NOMINAL BOTH ENDS IN; Bore Feature: INCLUDED; Securing Method: BOLTED THROUGH BORE. 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.