NSN 5990-00-677-6480

Part Details | DIFFERENTIAL TRANSMITTER SYNCHRO

5990-00-677-6480 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: M207083101C, M20708/31-01C, MILS2070831, MIL-S-20708/31, 18TDX4C, 18TDX4B, 5990-00-677-6480, 00-677-6480, 5990006776480, 006776480

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
59JAN 01, 196300-677-648002071 ( SYNCHRO, DIFFERENTIAL TRANSMITTER )
REFERENCE DRAWINGS & PICTURES

STANDARD ROUND C

Cross Reference | NSN 5990-00-677-6480
Part Number Cage Code Manufacturer
M20708/31-01C81349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
MIL-S-20708/3181349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
18TDX4C81349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
18TDX4B81349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
Technical Data | NSN 5990-00-677-6480
Characteristic Specifications
BODY SIZE18
STATOR INPUT VOLTAGE RATING IN VOLTS90.0 NOMINAL
STATOR INPUT CURRENT RATING450.0 MILLIAMPERES NOMINAL
STATOR INPUT ELECTRICAL POWER RATING4.5 WATTS NOMINAL
FREQUENCY IN HERTZ400.0 NOMINAL
ZSO IMPEDANCE MAGNITUDE IN OHMS178.00 MINIMUM AND 266.00 MAXIMUM
ZSO IMPEDANCE ANGLE IN DEG83.00 MINIMUM AND 87.00 MAXIMUM
ZRS IMPEDANCE MAGNITUDE IN OHMS26.00 MINIMUM AND 38.00 MAXIMUM
ZRS IMPEDANCE ANGLE IN DEG47.00 MINIMUM AND 56.00 MAXIMUM
TRANSFORMATION RATIO1.154 ROTOR TO STATOR NOMINAL
PHASE SHIFT ANGLE IN DEG3.000 INPUT TO OUTPUT NOMINAL
MAXIMUM TEMP RISE20.0 DEG CELSIUS
ELECTRICAL ERROR ANGULAR RANGE IN MINUTESM8.0/P8.0
ACTUATOR FRICTION TORQUE AT MINUS 55 DEG CELSIUS0.10 INCH-OUNCES NOMINAL
TORQUE GRADIENT PER ANGULAR DEG0.060 INCH-OUNCES MINIMUM
BODY STYLE STANDARD ROUND C
SHOULDER DIAMETER1.5615 INCHES MINIMUM AND 1.5620 INCHES MAXIMUM
PILOT DIAMETER0.9370 INCHES MINIMUM AND 0.9375 INCHES MAXIMUM
OVERALL LENGTH3.2050 INCHES NOMINAL
FLANGE DIAMETER1.7450 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM
FLANGE THICKNESS0.0930 INCHES NOMINAL
UNDERCUT DIAMETER1.6250 INCHES NOMINAL
UNDERCUT WIDTH0.0780 INCHES NOMINAL
PILOT LENGTH0.0400 INCHES NOMINAL
SHOULDER LENGTH0.1320 INCHES NOMINAL
MOUNTING SURFACE TO TERMINAL END DISTANCE2.6700 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 31 GOVERNMENT SPECIFICATION