The Pulley,groove, cataloged under National Stock Number 3020-01-216-3488, 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 25 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-216-3488 |
| Primary Part Number | 609-4676625 ITEM 6 |
| 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 | 1.000 INCHES NOMINAL BOTH ENDS IN |
| Bore Feature | INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 0.720 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Groove Radius | 0.120 INCHES NOMINAL IN |
| Groove Shape | U |
| Outside Diameter | 3.000 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Groove Depth | 0.500 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 1 |
| Protruding Hub Characteristic | PLAIN |
| Unable to Decode | UNABLE TO DECODE |
| Distance From Outside Flange/rim to Hub End and Location | 0.120 INCHES NOMINAL BOTH ENDS IN |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 0.500 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Material | COPPER ALLOY LOCATION NOT OTHERWISE SPECIFIED |
| Material | ALUMINUM OVERALL |
| Unable to Decode | UNABLE TO DECODE |
| Face Width | 0.500 INCHES NOMINAL IN |
| Groove Width | 0.250 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 |
|---|---|
| 609-4676625 ITEM 6 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 609-4676625 | D/9 Drawing number reference only Naval Sea Systems Command |
| 87577-3305 | D/9 Drawing number reference only U.S. Government activity |
NSN 3020-01-216-3488 is a Pulley,groove, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-216-3488 has 1 manufacturer part number on file: 609-4676625 ITEM 6 (Naval Sea Systems Command).
Key specifications for 609-4676625 ITEM 6: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 1.000 INCHES NOMINAL BOTH ENDS IN; Bore Feature: INCLUDED; Split Hub Feature: NOT INCLUDED. 25 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.