The Pulley,groove, cataloged under National Stock Number 3020-00-409-8314, 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 Air Systems Command Managed Original Design Activity Not Material/parts Supplier. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-409-8314 |
| Primary Part Number | 2559847-2 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 0.766 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Groove Radius | 0.203 INCHES NOMINAL IN |
| Groove Shape | U |
| Outside Diameter | 5.547 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Groove Depth | 0.344 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Counterbore Depth | 0.250 INCHES NOMINAL IN |
| Groove Quantity | 1 |
| Counterbore Location | AA END |
| Counterbore Diameter | 2.000 INCHES NOMINAL IN |
| Counterbore Feature | INCLUDED |
| Bore Diameter | 0.625 INCHES NOMINAL IN |
| Material | ALUMINUM OVERALL |
| Face Width | 0.766 INCHES NOMINAL IN |
| Groove Width | 0.406 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 |
|---|---|
| 2559847-2 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 2559847-2 | 3/9 Design control — primary reference U.S. Government activity |
NSN 3020-00-409-8314 is a Pulley,groove, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-409-8314 has 1 manufacturer part number on file: 2559847-2 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 2559847-2: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Split Hub Feature: NOT INCLUDED; Bore Length: 0.766 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.