The Pulley,groove, cataloged under National Stock Number 3020-01-442-0797, 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 General Crane and Hoist, Inc.. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-01-442-0797 |
| Primary Part Number | 3487C1200 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | General Crane and Hoist, Inc. |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 4.650 INCHES NOMINAL IN |
| Design Form | WEBBED |
| Web/spoke Relationship to Face Centerline | NOT OFFSET |
| Groove Shape | V |
| Outside Diameter | 640.0 MILLIMETERS NOMINAL MM |
| Style Designator | WEBBED OR SPOKED |
| Groove Depth | 40.0 MILLIMETERS NOMINAL MM |
| Bore Type | STRAIGHT |
| Groove Quantity | 1 |
| V Groove Angle in Deg | 50.0 |
| Protruding Hub Characteristic | PLAIN |
| Distance From Outside Flange/rim to Hub End and Location | 0.945 INCHES NOMINAL BOTH ENDS IN |
| Counterbore Feature | NOT INCLUDED |
| Material | STEEL OVERALL |
| Face Width | 2.760 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 |
|---|---|
| 3487D1000 ITEM 2 | General Crane and Hoist, Inc. (USA) |
| 3487C1200 PRIMARY | General Crane and Hoist, Inc. (USA) |
| 3487C1000 ITEM 2 | General Crane and Hoist, Inc. (USA) |
| Reference | Meaning |
|---|---|
| KP560-20 | 5/9 Secondary reference Kone Oyj Hyvinkaan Tehtaat |
| 3487D1000 | D/9 Drawing number reference only General Crane and Hoist, Inc. |
| 3487C1000 | D/9 Drawing number reference only General Crane and Hoist, Inc. |
| KP560-20 | C/1 Advisory reference — outside the item-of-supply concept Kone Industrial Oy |
NSN 3020-01-442-0797 is a Pulley,groove, manufactured by General Crane and Hoist, Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-442-0797 has 3 manufacturer part numbers on file: 3487D1000 ITEM 2 (General Crane and Hoist, Inc.), 3487C1200 (General Crane and Hoist, Inc.), 3487C1000 ITEM 2 (General Crane and Hoist, Inc.).
Key specifications for 3487C1200: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Split Hub Feature: NOT INCLUDED; Bore Length: 4.650 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.