The Gear,worm Wheel, cataloged under National Stock Number 3020-01-424-9145, 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 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-424-9145 |
| Primary Part Number | 6352186 |
| Item Name | Gear,worm Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Keyway Nominal Width | 1.0000 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 7.3755 INCHES BOTH ENDS IN |
| Helix Angle | 20.7345 DEGREES |
| Hub Nominal Diameter | 9.6200 INCHES BOTH ENDS IN |
| Teeth Quantity | 40 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | RIGHT |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 1.5800 INCHES BOTH ENDS IN |
| Throat Nominal Radius | 1.8750 INCHES IN |
| Face Type | CONCAVE |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 13.2000 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 13.9600 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 4.1392 INCHES BOTH ENDS IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | BRONZE OVERALL |
| Face Nominal Width | 5.0000 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 |
|---|---|
| 6352186 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 80-S300-20 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-424-9145 is a Gear,worm Wheel, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-424-9145 has 1 manufacturer part number on file: 6352186 (Naval Sea Systems Command).
Key specifications for 6352186: Keyway Nominal Width: 1.0000 INCHES BOTH ENDS IN; Bore Nominal Diameter: 7.3755 INCHES BOTH ENDS IN; Helix Angle: 20.7345 DEGREES; Hub Nominal Diameter: 9.6200 INCHES BOTH ENDS IN. 19 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.