The Gear,spur, cataloged under National Stock Number 3020-01-413-1402, 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 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-413-1402 |
| Primary Part Number | 582-6404311-4 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Bore Nominal Diameter | 3.074 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 7.000 INCHES SECOND END IN |
| Hub Nominal Diameter | 5.000 INCHES FIRST END IN |
| Teeth Quantity | 100 |
| Body Style | SPOKED |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.120 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.380 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 25.0000 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Spline Quantity | 14 BOTH ENDS |
| Nominal Outside Diameter | 25.495 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Spline Pitch Diameter | 2.8000 INCHES NOMINAL BOTH ENDS IN |
| Face Nominal Width | 3.000 INCHES IN |
| 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 |
|---|---|
| 211048335 | Naval Sea Systems Command (USA) |
| 582-6404311-4 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 582-6404311 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3020-01-413-1402 is a Gear,spur, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-413-1402 has 2 manufacturer part numbers on file: 211048335 (Naval Sea Systems Command), 582-6404311-4 (Naval Sea Systems Command).
Key specifications for 582-6404311-4: Bore Nominal Diameter: 3.074 INCHES BOTH ENDS IN; Hub Nominal Diameter: 7.000 INCHES SECOND END IN; Hub Nominal Diameter: 5.000 INCHES FIRST END IN; Teeth Quantity: 100. 17 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.