The Pulley,groove, cataloged under National Stock Number 3020-00-528-1664, 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29 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-00-528-1664 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 0.940 INCHES NOMINAL AA END IN |
| Bore Feature | INCLUDED |
| Securing Method | DRILLED HOLE |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 0.690 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Unable to Decode | UNABLE TO DECODE |
| Groove Radius | 0.070 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN |
| Groove Shape | U |
| Outside Diameter | 5.160 INCHES NOMINAL IN |
| Distance From Outside Flange/rim to Hub End and Location | 0.270 INCHES NOMINAL AA END IN |
| Style Designator | WEBBED OR SPOKED |
| Material Document and Classification | QQ-A-591, COMP 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Groove Depth | 0.626 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 1 |
| Securing Hole Quantity | 2 |
| Drilled Hole Diameter | 0.109 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN |
| Keyway Width | 0.625 INCHES NOMINAL IN |
| Unable to Decode | UNABLE TO DECODE |
| Surface Treatment | CHROMATE ZINC |
| Distance From Outside Flange/rim to Hub End and Location | 0.270 INCHES NOMINAL AA END IN |
| Hole Location | LOCATED 0.130 IN. FROM END OF HUB 180 DEG APART IN |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 0.520 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY A413.0 OVERALL |
| Unable to Decode | UNABLE TO DECODE |
| 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 |
|---|---|
| 6-50230-1 | 3/2 Design control — primary reference U.S. Government activity |
| 6-50230-501 | 5/9 Secondary reference U.S. Government activity |
NSN 3020-00-528-1664 is a Pulley,groove, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-528-1664: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 0.940 INCHES NOMINAL AA END IN; Bore Feature: INCLUDED; Securing Method: DRILLED HOLE. 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.