The Pulley,groove, cataloged under National Stock Number 3020-01-483-7634, 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 Naval Sea Systems Command. Government technical data includes 23 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-483-7634 |
| Primary Part Number | 7225950 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 38.00 MILLIMETERS NOMINAL BOTH ENDS MM |
| Bore Feature | INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 8.75 MILLIMETERS NOMINAL MM |
| Design Form | SPOKED |
| Web/spoke Relationship to Face Centerline | NOT OFFSET |
| Groove Radius | 5.4 MILLIMETERS NOMINAL MM |
| Groove Shape | U |
| Outside Diameter | 198.00 MILLIMETERS NOMINAL MM |
| Style Designator | WEBBED OR SPOKED |
| Groove Depth | 14.00 MILLIMETERS NOMINAL MM |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 1 |
| Unable to Decode | UNABLE TO DECODE |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 20.00 MILLIMETERS NOMINAL MM |
| Material | COPPER ALLOY OVERALL |
| Unable to Decode | UNABLE TO DECODE |
| Face Width | 17.00 MILLIMETERS NOMINAL MM |
| Groove Width | 14.00 MILLIMETERS NOMINAL MM |
| Lightening Hole | INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3020-01-483-7634 is a Pulley,groove, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-483-7634 has 3 manufacturer part numbers on file: 7225950 (L3 Technologies, Inc. Div L3 Keo), D1417304 (Calzoni Srl), 7225950 (Naval Sea Systems Command).
Key specifications for 7225950: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 38.00 MILLIMETERS NOMINAL BOTH ENDS MM; Bore Feature: INCLUDED; Split Hub Feature: NOT INCLUDED. 23 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.