The Pulley,groove, cataloged under National Stock Number 3020-01-047-0303, 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 Goodman Ball, Inc. Dba Gbi. Government technical data includes 22 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-047-0303 |
| Primary Part Number | 2580217 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Goodman Ball, Inc. Dba Gbi |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 0.950 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Groove Shape | U |
| Outside Diameter | 5.500 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Groove Depth | 0.625 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Counterbore Depth | 0.875 INCHES NOMINAL IN |
| Groove Quantity | 1 |
| Counterbore Location | AA END |
| Counterbore Diameter | 3.530 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE |
| Counterbore Feature | INCLUDED |
| Bore Diameter | 3.260 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Face Width | 0.950 INCHES NOMINAL IN |
| Groove Width | 0.750 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 |
|---|---|
| 2580217 PRIMARY | Goodman Ball, Inc. Dba Gbi (USA) |
| Reference | Meaning |
|---|---|
| 2580217 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 2580217 | 5/2 Secondary reference U.S. Government activity |
| 2580217 | 5/9 Secondary reference Ball a C Co |
NSN 3020-01-047-0303 is a Pulley,groove, manufactured by Goodman Ball, Inc. Dba Gbi, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-047-0303 has 1 manufacturer part number on file: 2580217 (Goodman Ball, Inc. Dba Gbi).
Key specifications for 2580217: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Split Hub Feature: NOT INCLUDED; Bore Length: 0.950 INCHES NOMINAL IN. 22 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.