The Motor-Tachometer Generator, cataloged under National Stock Number 6105-00-897-6544, is classified within Federal Supply Class 6105 (Motors, Electrical) of the Electric Wire, Power, and Distribution Equipment group. The manufacturer of record is Ward Leonard Ct Llc. Government technical data includes 21 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6105-00-897-6544 |
| Primary Part Number | 20020 |
| Item Name | Motor-Tachometer Generator |
| FSC / FSG | 6105 / 61 — Motors, Electrical |
| Manufacturer | Ward Leonard Ct Llc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 12 THREADED HOLE(S) |
| Phase | SINGLE INPUT |
| Shaft Diameter | 1.0000 INCHES NOMINAL SINGLE END IN |
| Frequency in Hertz | 60.0 OUTPUT |
| Current Type | AC INPUT |
| Calibration Speed in RPM | 900.0 |
| Mounting Method | FACE |
| Cooling Method | AIR TO AIR COOLED |
| Features Provided | HORIZONTAL MOUNTING POSITION |
| Maximum Operating Altitude Rating | 10000.0 FEET FT |
| Connection Type and Voltage Rating in Volts | 115.0 LINE TO NEUTRAL SINGLE INPUT |
| Calibration Voltage Output Type in Volts | 15.0 AC |
| Torque Rating and Type | 7.0 FOOT-POUNDS STALLED FT |
| Control Field Voltage Type and Rating in Volts | 208.0 AC |
| Enclosure Feature | GENERAL PURPOSE |
| Shaft End Characteristic | A1 SINGLE STYLE SINGLE END |
| Excitor Type | SELF-EXCITED |
| Terminal Type and Quantity | 5 SCREW |
| Rotor Speed Rating in RPM | 900.0 SINGLE NO LOAD |
| Temp Rating | -40.0 OPERATING CELSIUS AND 65.0 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 |
| Part Number | Manufacturer |
|---|---|
| J2156652 | L3harris Technologies, Inc. (USA) |
| 2156652 | L3harris Technologies, Inc. (USA) |
| 20020 PRIMARY | Ward Leonard Ct Llc (USA) |
| Reference | Meaning |
|---|---|
| J2156652 | 5/9 Secondary reference Itt Industries Inc Itt Aerospace Communications Div East |
| 2156652 | 5/9 Secondary reference Itt Industries Inc Itt Aerospace Communications Div East |
NSN 6105-00-897-6544 is a Motor-Tachometer Generator, manufactured by Ward Leonard Ct Llc, classified under FSC 6105, Motors, Electrical. Status: active.
NSN 6105-00-897-6544 has 3 manufacturer part numbers on file: J2156652 (L3harris Technologies, Inc.), 2156652 (L3harris Technologies, Inc.), 20020 (Ward Leonard Ct Llc).
Key specifications for 20020: Mounting Facility Type and Quantity: 12 THREADED HOLE(S); Phase: SINGLE INPUT; Shaft Diameter: 1.0000 INCHES NOMINAL SINGLE END IN; Frequency in Hertz: 60.0 OUTPUT. 21 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.