NSN 5990-00-925-6614

Part Details | DIFFERENTIAL TRANSMITTER SYNCHRO

5990-00-925-6614 A synchro, the rotor of which is mechanically positioned for modifying electrical angular information, received from a transmitter synchro and transmitting to receiver synchro or control transformer synchro electrical information corresponding to the sum or difference of the electrical input angle and its rotor position angle. Does not include variable resistors, goniometers, variable transformers, or items with dials.

Alternate Parts: 31TDX4C, 31TDX4B, M2070864001, M20708/64-001, MILS2070864, MIL-S-20708/64, 5990-00-925-6614, 00-925-6614, 5990009256614, 009256614

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
59FEB 02, 196600-925-661402071 ( SYNCHRO, DIFFERENTIAL TRANSMITTER )
REFERENCE DRAWINGS & PICTURES

STANDARD ROUND D

Cross Reference | NSN 5990-00-925-6614
Part Number Cage Code Manufacturer
31TDX4C81349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
31TDX4B81349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
M20708/64-00181349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
MIL-S-20708/6481349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
Technical Data | NSN 5990-00-925-6614
Characteristic Specifications
BODY SIZE31
STATOR INPUT VOLTAGE RATING IN VOLTS90.0 NOMINAL
STATOR INPUT CURRENT RATING190.0 MILLIAMPERES MAXIMUM
STATOR INPUT ELECTRICAL POWER RATING10.2 WATTS MAXIMUM
FREQUENCY IN HERTZ400.0 NOMINAL
ZRS IMPEDANCE MAGNITUDE IN OHMS4.80 MAXIMUM
ZRS IMPEDANCE ANGLE IN DEG44.00 MINIMUM
ROTOR DC RESISTANCE IN OHMS1.20 MAXIMUM
STATOR DC RESISTANCE IN OHMS1.00 MAXIMUM
TRANSFORMATION RATIO1.154 ROTOR TO STATOR NOMINAL
PHASE SHIFT ANGLE IN DEG1.500 INPUT TO OUTPUT NOMINAL
MAXIMUM TEMP RISE20.0 DEG CELSIUS
ELECTRICAL ERROR ANGULAR RANGE IN MINUTESM8.0/P8.0
ACTUATOR FRICTION TORQUE AT PLUS 25 DEG CELSIUS0.50 INCH-OUNCES MAXIMUM
TORQUE GRADIENT PER ANGULAR DEG0.600 INCH-OUNCES MINIMUM
BODY STYLE STANDARD ROUND D
SHOULDER DIAMETER2.6950 INCHES MINIMUM AND 2.7000 INCHES MAXIMUM
PILOT DIAMETER0.5000 INCHES NOMINAL
SECOND SHOULDER DIAMETER2.7490 INCHES MINIMUM AND 2.7500 INCHES MAXIMUM
SECOND SHOULDER LENGTH0.3750 INCHES NOMINAL
OVERALL LENGTH5.3550 INCHES NOMINAL
FLANGE DIAMETER3.0990 INCHES MINIMUM AND 3.1000 INCHES MAXIMUM
FLANGE THICKNESS0.2500 INCHES NOMINAL
BODY DIAMETER2.7000 INCHES MAXIMUM
PILOT LENGTH0.0300 INCHES NOMINAL
SHOULDER LENGTH0.6150 INCHES NOMINAL
AFT OF FIRST FLANGE DIAMETER2.7500 INCHES MAXIMUM
MOUNTING SURFACE TO TERMINAL END DISTANCE4.6250 INCHES NOMINAL
TERMINAL TYPE AND QUANTITY6 SCREW
TERMINAL LOCATION REAR
BODY MATERIAL STEEL, STAINLESS
TEST DATA DOCUMENT81349-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 DATA81349-MIL--20708 TO 64 GOVERNMENT SPECIFICATION
SHAFT MAXIMUM RADIAL PLAY0.0008 INCHES
SHAFT RADIAL PLAY TEST POINT0.125 INCHES NOMINAL
SHAFT RADIAL PLAY DETERMINING WEIGHT16.0 OUNCES
SHAFT END PLAY0.0030 INCHES NOMINAL
SHAFT END PLAY DETERMINING WEIGHT16.0 OUNCES
SHAFT MAXIMUM RUNOUT0.0008 INCHES
FRAGILITY FACTOR MODERATELY RUGGED