The Motor-Tachometer Generator, cataloged under National Stock Number 6105-00-683-5459, is classified within Federal Supply Class 6105 (Motors, Electrical) of the Electric Wire, Power, and Distribution Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6105-00-683-5459 |
| Primary Part Number | 1876720 |
| Item Name | Motor-Tachometer Generator |
| FSC / FSG | 6105 / 61 — Motors, Electrical |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 CLAMP COLLAR |
| Phase | TWO INPUT |
| Shaft Diameter | 0.1771 INCHES NOMINAL SINGLE END IN |
| Frequency in Hertz | 400.0 OUTPUT |
| Teeth Quantity | 15 SINGLE END |
| Current Type | AC INPUT |
| Calibration Speed in RPM | 1000.0 |
| Mounting Method | CLAMP RING(S) |
| Cooling Method | AIR TO AIR COOLED |
| Full Tooth Length | 0.4370 INCHES NOMINAL SINGLE END IN |
| Features Provided | HORIZONTAL MOUNTING POSITION |
| Connection Type and Voltage Rating in Volts | 115.0 LINE TO NEUTRAL SINGLE INPUT |
| Calibration Voltage Output Type in Volts | 3.45 AC |
| Torque Rating and Type | 1.45 INCH-OUNCES STALLED IN |
| Length of Shaft From Housing | 0.437 INCHES SINGLE END IN |
| Control Field Voltage Type and Rating in Volts | 36.0 AC |
| Enclosure Feature | TOTALLY ENCLOSED |
| Shaft End Characteristic | A17 SINGLE STYLE SINGLE END |
| Excitor Type | SEPARATELY EXCITED |
| Terminal Type and Quantity | 10 SCREW |
| Rotor Speed Rating in RPM | 4500.0 SINGLE NO LOAD |
| Temp Rating | -20.0 OPERATING CELSIUS AND 85.0 OPERATING CELSIUS |
| Inclosure Specification | COMMERCIAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 1876720 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 1004416 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 665-52-195 | Mpc Products Corporation Dba Woodward Mpc, Inc. (USA) |
| Reference | Meaning |
|---|---|
| U205524 | 5/2 Secondary reference U.S. Government activity |
NSN 6105-00-683-5459 is a Motor-Tachometer Generator, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 6105, Motors, Electrical. Status: active.
NSN 6105-00-683-5459 has 3 manufacturer part numbers on file: 1876720 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1004416 (Lockheed Martin Corporation Div Rms - Mitchel Field), 665-52-195 (Mpc Products Corporation Dba Woodward Mpc, Inc.).
Key specifications for 1876720: Mounting Facility Type and Quantity: 1 CLAMP COLLAR; Phase: TWO INPUT; Shaft Diameter: 0.1771 INCHES NOMINAL SINGLE END IN; Frequency in Hertz: 400.0 OUTPUT. 23 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.