The Pulley,groove, cataloged under National Stock Number 3020-01-412-1676, 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 28 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-412-1676 |
| Primary Part Number | 6592691-1 |
| 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 | 10.000 INCHES NOMINAL BOTH ENDS IN |
| Bore Feature | INCLUDED |
| Securing Method | DRILLED HOLE |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 2.500 INCHES NOMINAL IN |
| Design Form | WEBBED |
| Web/spoke Relationship to Face Centerline | NOT OFFSET |
| Groove Radius | 0.531 INCHES NOMINAL IN |
| Groove Shape | U |
| Outside Diameter | 24.000 INCHES NOMINAL IN |
| Style Designator | WEBBED OR SPOKED |
| Groove Depth | 1.250 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 1 |
| Protruding Hub Characteristic | PLAIN |
| Securing Hole Quantity | 2 |
| Drilled Hole Diameter | 1.500 INCHES NOMINAL IN |
| Unable to Decode | UNABLE TO DECODE |
| Distance From Outside Flange/rim to Hub End and Location | 0.625 INCHES NOMINAL BOTH ENDS IN |
| Hole Location | THROUGH BODY 180 DEGREES APART |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 7.085 INCHES NOMINAL IN |
| Unable to Decode | UNABLE TO DECODE |
| Face Width | 2.375 INCHES NOMINAL IN |
| Securing Location | BOTH ENDS |
| 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 |
|---|---|
| 6519096 PIECE 4 | Naval Sea Systems Command (USA) |
| 6592691-1 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6519096 | D/9 Drawing number reference only Naval Sea Systems Command |
| 6592691 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3020-01-412-1676 is a Pulley,groove, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-412-1676 has 2 manufacturer part numbers on file: 6519096 PIECE 4 (Naval Sea Systems Command), 6592691-1 (Naval Sea Systems Command).
Key specifications for 6592691-1: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 10.000 INCHES NOMINAL BOTH ENDS IN; Bore Feature: INCLUDED; Securing Method: DRILLED HOLE. 28 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.