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Differential Transmitter Synchro

Model / MPN: 405255-4 | NSN: 5990-00-989-0395
ITAR Registered seal

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.

Product Details
NATO Stock Number
5990-00-989-0395
Sold in multiples of
1 EA
DEMIL
DEMIL/MLI
Body Material
Aluminum
Body Style
Standard round c
Shoulder Diameter
Between 1.3115 inches and 1.3120 inches
Pilot Diameter
Between 0.4995 inches and 0.5000 inches
Overall Length
2.1310 inches
Flange Diameter
Between 1.4360 inches and 1.4370 inches
Flange Thickness
0.0930 inches
Undercut Diameter
1.3120 inches
Undercut Width
0.0780 inches
Shaft Diameter
0.1195 inches single shaft and 0.1200 inches single shaft
Shaft Length
0.5400 inches single shaft
Maximum Tempurature Rise
6.0 degrees celsius
Body Size
15
Stator Input Voltage Rating In Volts
11.8
Stator Input Current Rating
130.0 milliamperes
Stator Input Electrical Power Rating
235.0 milliwatts
Frequency In Hertz
400.0
Zro Resistance In Ohms
15.10
Zso Resistance In Ohms
13.50
Zrs Resistance In Ohms
15.70
Zss Resistance In Ohms
17.90
Rotor Dc Resistance In Ohms
13.40
Stator Dc Resistance In Ohms
10.10
Phase Shift Angle In Deg
5.900 input to output
Maximum Total Null Voltage Output In Millivolts Per Volt
18.00
Electrical Error Angular Range In Minutes
-15.0/+15.0
Actuator Friction Torque At Minus 55 Deg Celsius
45.0 centimeter-grams
Actuator Friction Torque At Plus 25 Deg Celsius
15.0 centimeter-grams
Alignment Hole Quantity
4
Pilot Length
0.0400 inches
Shoulder Length
0.1320 inches
Mounting Surface To Terminal End Distance
1.5910 inches
Terminal Location
Rear
Plus J Zro Reactance In Ohms
63.20
Shaft Slot Depth
0.0210 inches single shaft and 0.0310 inches single shaft
Plus J Zso Reactance In Ohms
77.20
Shaft Slot Width
0.0210 inches single shaft and 0.0310 inches single shaft
Plus J Zrs Reactance In Ohms
8.40
Shaft Type
Round, slotted single shaft
Alignment Hole Depth
0.1250 inches
Plus J Zss Reactance In Ohms
10.90
Alignment Hole Bolt Circle Diameter
0.8750 inches
Terminal Type And Quantity
6 wire lead
405255 Series Parts

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405255-4 Cross Reference
  • AY-231-S-25T
  • AY231S25T
  • CDH-15-DS-1/A004
  • AY231S25T
  • 15-4039-07