NSN 6680-00-490-9929
Part Details | TACHOMETER GENERATOR
6680-00-490-9929 A generator consisting of a series of mounted coils surrounding a rotating permanent magnet or a permanent magnet and a rotating armature. The voltage output is directly proportional to the speed of rotation of the shaft. When used with an associated indicator, transmits such data as revolutions per minute, speed of travel, and the like. May also be used in servomechanism loops as a system stabilizer. Excludes rotary inverters, rotary converters, motor generators, dynamotors, generator sets, synchros, frequency or phase changers, and engine accessory generators.
Alternate Parts: 20201202, 2020-120-2, 202, 6680-00-490-9929, 00-490-9929, 6680004909929, 004909929
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | MAR 22, 1972 | 00-490-9929 | 20241 ( GENERATOR, TACHOMETER ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6680-00-490-9929
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2020-120-2 | 39739 | SCOTT FETZER COMPANY, THEDBA MERIAM PROCESS TECHNOLOGIES |
| 202 | 39739 | SCOTT FETZER COMPANY, THEDBA MERIAM PROCESS TECHNOLOGIES |
Technical Data | NSN 6680-00-490-9929
| Characteristic | Specifications |
|---|---|
| OVERALL LENGTH | 8.125 INCHES |
| OVERALL WIDTH | 4.750 INCHES |
| OVERALL HEIGHT | 6.250 INCHES |
| MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE |
| NOMINAL CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH | 3.125 INCHES |
| NOMINAL CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | 4.000 INCHES |
| EXCITOR TYPE | SELF-EXCITED |
| TERMINAL TYPE AND QUANTITY | 3 WIRE LEAD |
| ROTOR SPEED RATING IN RPM | 3500.0 SINGLE FULL LOAD |
| FEATURES PROVIDED | HORIZONTAL MOUNTING POSITION AND VERTICAL MOUNTING POSITION |