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Worldwide distributor of NSN parts and consumables located in the USA.

Differential Transmitter Synchro

Model / MPN: 254561 | NSN: 5990-00-581-9491
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
5990-00-581-9491
Sold in multiples of
1 EA
DEMIL
NO
Body Material
Aluminum
Body Style
Standard round b
Shoulder Diameter
1.3120 inches
Pilot Diameter
Between 0.4995 inches and 0.5000 inches
Overall Length
2.5270 inches
Flange Diameter
Between 1.4360 inches and 1.4370 inches
Flange Thickness
0.0930 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
Body Size
15
Stator Input Voltage Rating In Volts
26.0
Stator Input Current Rating
410.0 milliamperes
Stator Input Electrical Power Rating
2.3 watts
Frequency In Hertz
400.0
Rotor Dc Resistance In Ohms
7.50
Stator Dc Resistance In Ohms
6.10
Electrical Error Angular Range In Minutes
-6.0/+6.0
Actuator Friction Torque At Minus 55 Deg Celsius
21.00 centimeter-grams
Actuator Friction Torque At Plus 25 Deg Celsius
7.00 centimeter-grams
Alignment Hole Quantity
4
Pilot Length
0.0400 inches
Shoulder Length
0.1320 inches
Mounting Surface To Terminal End Distance
1.7620 inches
Terminal Location
Rear
Shaft Slot Depth
0.0210 inches single shaft and 0.0310 inches single shaft
Shaft Slot Width
0.0210 inches single shaft and 0.0310 inches single shaft
Shaft Type
Round, slotted single shaft
Alignment Hole Depth
0.1250 inches
Transformation Ratio
1.000 rotor to stator
Alignment Hole Bolt Circle Diameter
0.8750 inches
Terminal Type And Quantity
6 screw
25456 Series Parts

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254561 Cross Reference
  • AY231A4B
  • AY231A4B
  • 254561