5990-00-677-6479 SYNCHRO,DIFFERENTIAL TRANSMITTER Index 5990-00-677-6481 SYNCHRO,RECEIVER

National Stock Number:
5990-00-677-6480

Federal Supply Class:
5990

National Item Identification Number:
006776480

Description:
SYNCHRO,DIFFERENTIAL TRANSMITTER

Detail:
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.


Manufacturer Information:
18TDX4B81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
18TDX4C81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
M20708/31-01C0U583SAE INTERNATIONAL
SAE-AS20708/310U583SAE INTERNATIONAL
M20708/31-01C81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-S-20708/3181349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
ELECTRICAL ERROR ANGULAR RANGE IN MINUTES-8.0 TO 8.0
ACTUATOR FRICTION TORQUE AT MINUS 55 DEG CELSIUS0.10 INCH-OUNCES NOMINAL
BODY MATERIALSTEEL CORROSION RESISTING
BODY STYLESTANDARD ROUND C
BODY SIZE18
FLANGE DIAMETER1.7450 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM
FLANGE THICKNESS0.0930 INCHES NOMINAL
FREQUENCY IN HERTZ400.0 NOMINAL
LENGTH0.1320 INCHES NOMINAL SHOULDER
OVERALL LENGTH3.2050 INCHES NOMINAL
MAXIMUM TEMP RISE20.0 CELSIUS
MOUNTING SURFACE TO TERMINAL END DISTANCE2.6700 INCHES NOMINAL
PILOT LENGTH0.0400 INCHES NOMINAL
PHASE SHIFT ANGLE IN DEG3.000 INPUT TO OUTPUT NOMINAL
PILOT DIAMETER0.9370 INCHES MINIMUM AND 0.9375 INCHES MAXIMUM
SHOULDER DIAMETER1.5615 INCHES MINIMUM AND 1.5620 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA81349-MIL-S-20708/31 GOVERNMENT SPECIFICATION
STATOR INPUT ELECTRICAL POWER RATING4.5 WATTS NOMINAL
STATOR INPUT VOLTAGE RATING IN VOLTS90.0 NOMINAL
STATOR INPUT CURRENT RATING450.0 MILLIAMPERES NOMINAL
ZRS IMPEDANCE ANGLE IN DEG47.00 MINIMUM AND 56.00 MAXIMUM
ZRS IMPEDANCE MAGNITUDE IN OHMS26.00 MINIMUM AND 38.00 MAXIMUM
ZSO IMPEDANCE ANGLE IN DEG83.00 MINIMUM AND 87.00 MAXIMUM
ZSO IMPEDANCE MAGNITUDE IN OHMS178.00 MINIMUM AND 266.00 MAXIMUM
TERMINAL LOCATIONREAR
TERMINAL TYPE AND QUANTITY6 SCREW
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.).
TORQUE GRADIENT PER ANGULAR DEG0.060 INCH-OUNCES MINIMUM
TRANSFORMATION RATIO1.154 ROTOR TO STATOR NOMINAL
UNDERCUT DIAMETER1.6250 INCHES NOMINAL
UNDERCUT WIDTH0.0780 INCHES NOMINAL


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