5990-00-677-6491 SYNCHRO,DIFFERENTIAL TRANSMITTER Index 5990-00-677-6493 SYNCHRO,RECEIVER

National Stock Number:
5990-00-677-6492

Federal Supply Class:
5990

National Item Identification Number:
006776492

Description:
SYNCHRO,DIFFERENTIAL RECEIVER

Detail:
A SYNCHRO, THE ROTOR OF WHICH IS FREE TO TURN, WHICH WILL ASSUME A POSITION IN ACCORDANCE WITH THE SUM OR DIFFERENCE OF THE ELECTRICAL ANGULAR INFORMATION RECEIVED FROM TWO TRANSMITTER SYNCHROS. DOES NOT INCLUDE VARIABLE RESISTORS, GONIOMETERS, VARIABLE TRANSFORMERS, OR ITEMS WITH DIALS.


Manufacturer Information:
23TDR4A10001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
23TDR4B81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
M20708/49-01B0U583SAE INTERNATIONAL
MIL-S-20708/4981349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SAE-AS20708/490U583SAE INTERNATIONAL


Techincal Specification:
ELECTRICAL ERROR ANGULAR RANGE IN MINUTES-6.0 TO 6.0
ACTUATOR FRICTION TORQUE AT MINUS 55 DEG CELSIUS0.10 INCH-OUNCES MAXIMUM
AFT OF FIRST FLANGE DIAMETER1.9985 INCHES MINIMUM AND 1.9995 INCHES MAXIMUM
BODY DIAMETER1.9900 INCHES NOMINAL
BODY MATERIALSTEEL CORROSION RESISTING
BODY SIZE23
BODY STYLESTANDARD ROUND D
FLANGE DIAMETER2.2490 INCHES MINIMUM AND 2.2500 INCHES MAXIMUM
FLANGE THICKNESS0.2480 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM
FREQUENCY IN HERTZ400.0 NOMINAL
OVERALL LENGTH4.5490 INCHES NOMINAL
MOUNTING SURFACE TO TERMINAL END DISTANCE4.0430 INCHES NOMINAL
PILOT DIAMETER0.5900 INCHES MINIMUM AND 0.6000 INCHES MAXIMUM
PHASE SHIFT ANGLE IN DEG4.000 INPUT TO OUTPUT NOMINAL
PILOT LENGTH0.0430 INCHES NOMINAL
RECEIVER ERROR ANGULAR RANGE IN MINUTES-45.0 TO 45.0
SECOND SHOULDER DIAMETER1.9985 INCHES MINIMUM AND 1.9995 INCHES MAXIMUM
SECOND SHOULDER LENGTH0.1700 INCHES NOMINAL
SHAFT DIAMETER0.2403 INCHES MINIMUM AND 0.2405 INCHES MAXIMUM SINGLE SHAFT
SHAFT LENGTH0.7190 INCHES NOMINAL SINGLE SHAFT
SHAFT NOMINAL THREAD SIZE0.250 INCHES SINGLE SHAFT
SHAFT THREAD CLASS2A SINGLE SHAFT
SHAFT THREAD DIRECTIONRIGHT-HAND SINGLE SHAFT
SHAFT THREAD LENGTH0.2900 INCHES NOMINAL SINGLE SHAFT
SHAFT THREAD SERIES DESIGNATORUNF SINGLE SHAFT
SHAFT TYPESPLINE W/THREADS SINGLE SHAFT
SHOULDER DIAMETER1.9985 INCHES MINIMUM AND 1.9995 INCHES MAXIMUM
SHOULDER LENGTH0.2500 INCHES NOMINAL
SPECIFICATION/STANDARD DATA81349-MIL-S-20708/49 GOVERNMENT SPECIFICATION
SPLINE TOOTH DIAMETRAL PITCH96 SINGLE SHAFT
SPLINE TOOTH QUANTITY22 SINGLE SHAFT
STATOR INPUT CURRENT RATING950.0 MILLIAMPERES MAXIMUM
STATOR INPUT ELECTRICAL POWER RATING5.2 WATTS MAXIMUM
STATOR INPUT VOLTAGE RATING IN VOLTS90.0 NOMINAL
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


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