The Gear,helical, cataloged under National Stock Number 3020-00-332-9366, 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through both NSN and commercial part number lookups. 17 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-332-9366 |
| Primary Part Number | LSD1S4700-262267PC29 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.2500 INCHES BOTH ENDS IN |
| Helix Angle | 21.5331 DEGREES |
| Teeth Quantity | 30 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | RIGHT |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 3 PLAIN AXIALLY THROUGH BODY FIRST END |
| Mounting Hole Nominal Diameter | 0.190 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Teeth Type | SINGLE HELIX |
| Style Designator | HUBLESS |
| Pitch Diameter | 3.0230 INCHES NOMINAL IN |
| Nominal Outside Diameter | 3.2230 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | COPPER ALLOY OVERALL |
| Bolt Hole Circle Nominal Diameter | 1.625 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.375 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 |
|---|---|
| LSD1S4700-262267PC29 PRIMARY | Naval Sea Systems Command (USA) |
| 631082000 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| CUTVRS0012PC29 | 5/9 Secondary reference Tuthill Corporation Div Coppus Portable Ventilation Division |
| CUTVRS0013PC29 | 5/9 Secondary reference Tuthill Corporation Div Coppus Portable Ventilation Division |
| C3612PC29 | 5/9 Secondary reference Tuthill Corporation Div Coppus Portable Ventilation Division |
| 3-412377-02 | 5/9 Secondary reference Tuthill Corporation Div Coppus Portable Ventilation Division |
| C3613-0013PC29 | 5/9 Secondary reference Tuthill Corporation Div Coppus Portable Ventilation Division |
| CUTXXI0013PC29 | 5/9 Secondary reference Tuthill Corporation Div Coppus Portable Ventilation Division |
| CUTXI0012PC29 | 5/9 Secondary reference Tuthill Corporation Div Coppus Portable Ventilation Division |
| S67PC29 | 5/9 Secondary reference Tuthill Corporation Div Coppus Portable Ventilation Division |
| LISTC0012PC29 | 5/9 Secondary reference Tuthill Corporation Div Coppus Portable Ventilation Division |
| 631082000 | 3/9 Design control — primary reference Tuthill Corporation Div Coppus Portable Ventilation Division |
| 3-412436-00 | 5/9 Secondary reference Tuthill Corporation Div Coppus Portable Ventilation Division |
| C3612-0012PC29 | 5/9 Secondary reference Tuthill Corporation Div Coppus Portable Ventilation Division |
| 631082000 | 5/9 Secondary reference Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand |
| C3613PC29 | 5/9 Secondary reference Tuthill Corporation Div Coppus Portable Ventilation Division |
| 29C2680-7E | 5/9 Secondary reference Tuthill Corporation Div Coppus Portable Ventilation Division |
| LISTC0013PC29 | 5/9 Secondary reference Tuthill Corporation Div Coppus Portable Ventilation Division |
| LSD1S4700-262267PC29 | 5/9 Secondary reference U.S. Government activity |
NSN 3020-00-332-9366 is a Gear,helical, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-332-9366 has 2 manufacturer part numbers on file: LSD1S4700-262267PC29 (Naval Sea Systems Command), 631082000 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions).
Key specifications for LSD1S4700-262267PC29: Bore Nominal Diameter: 1.2500 INCHES BOTH ENDS IN; Helix Angle: 21.5331 DEGREES; Teeth Quantity: 30; Body Style: PLAIN, SOLID. 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.