The Pulley,flat, cataloged under National Stock Number 3020-01-286-9474, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-286-9474 |
| Item Name | Pulley,flat |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 0.622 INCHES NOMINAL AA END IN |
| Bore Feature | INCLUDED |
| Bearing Quantity | 2 |
| Securing Method | DRILLED HOLE |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 1.120 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Outside Diameter | 2.001 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Material Document and Classification | QQ-A-200/8, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/8, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/11, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | QQ-S-763, CLASS 410, COND A FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-763, CLASS 416, COND A FED SPEC SINGLE MATERIAL RESPONSE HUB |
| Rim Type | SINGLE SPLIT |
| Bore Type | STRAIGHT |
| Bearings | INCLUDED |
| Protruding Hub Characteristic | STEPPED |
| Securing Hole Quantity | 3 |
| Bearing Type | FLANGED |
| Unable to Decode | UNABLE TO DECODE |
| Surface Treatment | PASSIVATE |
| Distance From Outside Flange/rim to Hub End and Location | 0.840 INCHES NOMINAL AA END IN |
| Keying Facility | NOT INCLUDED |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 0.375 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 BODY |
| Material | STEEL COMP 410 OR STEEL COMP 416 HUB |
| Crown Face | INCLUDED |
| Face Width | 0.500 INCHES NOMINAL IN |
| Securing Location | AA END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 433345-G01 | 3/2 Design control — primary reference U.S. Government activity |
| 433345 | D/9 Drawing number reference only U.S. Government activity |
NSN 3020-01-286-9474 is a Pulley,flat, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-286-9474: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 0.622 INCHES NOMINAL AA END IN; Bore Feature: INCLUDED; Bearing Quantity: 2. 29 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.