Product 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.

Part Alternates: M20708/8-06C, M20708806C, MIL-S-20708/8, MILS207088, 5990-01-189-3201, 01-189-3201, 5990011893201, 011893201

Electrical and Electronic Equipment Components | Synchros and Resolvers

Supply Group (FSG) NSN Assign. NIIN
59 14 SEP 1984 01-189-3201

Drawings & Photos | NSN 5990-01-189-3201


Demand History | NSN 5990-01-189-3201

Part Number Request Date QTY Origin
5990-01-189-3201 2013-06-176 3 US
5990-01-189-3201 2011-04-103 2 India

Cross Reference | NSN 5990-01-189-3201

Part Number Cage Code Manufacturer
M20708/8-06C 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-S-20708/8 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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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 -7.0 TO 7.0
ACTUATOR FRICTION TORQUE AT PLUS 25 DEG CELSIUS 0.07 INCH-OUNCES MAXIMUM
BODY STYLE A2 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
SHAFT TYPE SPLINE W/THREADS SINGLE SHAFT
SHAFT DIAMETER 0.1200 INCHES NOMINAL SINGLE SHAFT
SHAFT LENGTH 0.5620 INCHES NOMINAL SINGLE SHAFT
SHAFT THREAD LENGTH 0.2530 INCHES NOMINAL SINGLE SHAFT
SPLINE TOOTH QUANTITY 21 SINGLE SHAFT
SPLINE TOOTH DIAMETRAL PITCH 120 SINGLE SHAFT
SHAFT THREAD SERIES DESIGNATOR UNF SINGLE SHAFT
SHAFT NOMINAL THREAD SIZE 0.190 INCHES SINGLE SHAFT
SHAFT THREAD CLASS 2A SINGLE SHAFT
SHAFT THREAD DIRECTION RIGHT-HAND SINGLE SHAFT
TERMINAL TYPE AND QUANTITY 5 SCREW
TERMINAL LOCATION REAR
BODY MATERIAL STEEL, CORROSION RESISTING
TEST DATA DOCUMENT 81349-MIL-S-20708 SPECIFICATION
SPECIFICATION/STANDARD DATA 81349-MIL-S-20708/8 GOVERNMENT SPECIFICATION
III SHAFT MAXIMUM RADIAL PLAY 0.0006 INCHES
III SHAFT RADIAL PLAY DETERMINING WEIGHT 8.0 OUNCES
III SHAFT END PLAY 0.0100 INCHES NOMINAL
III SHAFT END PLAY DETERMINING WEIGHT 1.0 OUNCES
MANUFACTURERS CODE 81349

Restrictions/Controls & Freight Information | NSN 5990-01-189-3201

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:NThe item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input).
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information