NSN 5990-01-189-3201
Part Details | TRANSMITTER SYNCHRO
5990-01-189-3201 A synchro consisting of a stator and rotor inductively coupled. The electrical output of the stator into a receiver synchro, a control transformer or differential synchro is dependent upon the position of its rotor. Does not include variable resistors, goniometers, variable transformers, or items with dials.
Alternate Parts: M20708806C, M20708/8-06C, MILS207088, MIL-S-20708/8, 5990-01-189-3201, 01-189-3201, 5990011893201, 011893201
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
59 | SEP 14, 1984 | 01-189-3201 | 02073 ( SYNCHRO, TRANSMITTER ) |
REFERENCE DRAWINGS & PICTURES
STANDARD ROUND B

Cross Reference | NSN 5990-01-189-3201
Part Number | Cage Code | Manufacturer |
---|---|---|
M20708/8-06C | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
MIL-S-20708/8 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
Technical Data | NSN 5990-01-189-3201
Characteristic | Specifications |
---|---|
BODY SIZE | 11 |
ROTOR INPUT VOLTAGE RATING IN VOLTS | 26.0 NOMINAL |
ROTOR INPUT CURRENT RATING | 130.0 MILLIAMPERES MAXIMUM |
ROTOR INPUT ELECTRICAL POWER RATING | 340.0 MILLIWATTS NOMINAL |
FREQUENCY IN HERTZ | 400.0 NOMINAL |
ZRO IMPEDANCE MAGNITUDE IN OHMS | 200.00 MINIMUM AND 300.00 MAXIMUM |
ZRO IMPEDANCE ANGLE IN DEG | 80.50 MINIMUM AND 84.00 MAXIMUM |
ZSS IMPEDANCE MAGNITUDE IN OHMS | 6.00 MINIMUM AND 12.00 MAXIMUM |
ZSS IMPEDANCE ANGLE IN DEG | 18.00 MINIMUM AND 30.00 MAXIMUM |
TRANSFORMATION RATIO | 0.454 ROTOR TO STATOR NOMINAL |
PHASE SHIFT ANGLE IN DEG | 4.000 INPUT TO OUTPUT NOMINAL |
MAXIMUM TEMP RISE | 20.0 DEG CELSIUS |
MAXIMUM FUNDAMENTAL NULL VOLTAGE IN MILLIVOLTS PER VOLT | 12.00 OUTPUT |
MAXIMUM TOTAL NULL VOLTAGE OUTPUT IN MILLIVOLTS PER VOLT | 19.00 |
ELECTRICAL ERROR ANGULAR RANGE IN MINUTES | M7.0/P7.0 |
ACTUATOR FRICTION TORQUE AT PLUS 25 DEG CELSIUS | 0.07 INCH-OUNCES MAXIMUM |
BODY STYLE | STANDARD ROUND B |
SHOULDER DIAMETER | 1.0000 INCHES NOMINAL |
PILOT DIAMETER | 0.6250 INCHES NOMINAL |
OVERALL LENGTH | 2.4180 INCHES NOMINAL |
FLANGE DIAMETER | 1.0620 INCHES NOMINAL |
FLANGE THICKNESS | 0.0930 INCHES NOMINAL |
UNDERCUT WIDTH | 0.0620 INCHES NOMINAL |
PILOT LENGTH | 0.0620 INCHES NOMINAL |
SHOULDER LENGTH | 0.0620 INCHES NOMINAL |
MOUNTING SURFACE TO TERMINAL END DISTANCE | 1.7940 INCHES NOMINAL |
TERMINAL TYPE AND QUANTITY | 5 SCREW |
TERMINAL LOCATION | REAR |
BODY MATERIAL | STEEL, CORROSION RESISTING |
TEST DATA DOCUMENT | 81349-MIL-S-20708 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
SPECIFICATION/STANDARD DATA | 81349-MIL--20708 TO 8 GOVERNMENT SPECIFICATION |
SHAFT MAXIMUM RADIAL PLAY | 0.0006 INCHES |
SHAFT RADIAL PLAY DETERMINING WEIGHT | 8.0 OUNCES |
SHAFT END PLAY | 0.0100 INCHES NOMINAL |
SHAFT END PLAY DETERMINING WEIGHT | 1.0 OUNCES |