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Electrical Resolver

Model / MPN: 23RS4A | NSN: 5990-00-330-5412
ITAR Registered seal

An item consisting of a rotor and a stator inductively coupled. It usually has two rotor windings displaced from each other by 90 degrees and two stator windings similarly displaced. The output voltag (s) is a trigonometric function of the input voltage(s) and the angular displacement of the rotor with respect to the stator. See also synchro (as modified) and goniometer, electrical. Excludes transolver, electrical and potentiometer sine/cosine electrical resolvers.

Product Details
NATO Stock Number
5990-00-330-5412
Sold in multiples of
1 EA
DEMIL
NO
Body Material
Steel, corrosion resisting
Body Style
Standard round d
Shoulder Diameter
Between 1.9850 inches and 1.9950 inches
Pilot Diameter
Between 0.5900 inches and 0.6000 inches
Second Shoulder Diameter
Between 1.9985 inches and 1.9995 inches
Second Shoulder Length
0.1700 inches
Overall Length
Between 4.7430 inches and 4.7990 inches
Flange Diameter
Between 2.2490 inches and 2.2500 inches
Flange Thickness
0.2500 inches
Body Diameter
Between 1.9850 inches and 1.9950 inches
Shaft Diameter
0.2402 inches single shaft and 0.2405 inches single shaft
Shaft Length
0.6930 inches single shaft and 0.7190 inches single shaft
Fragility Factor
Moderately rugged
Body Size
23
Stator Input Voltage Rating In Volts
90.0
Stator Input Current Rating
445.0 milliamperes
Stator Input Electrical Power Rating
5.3 watts
Frequency In Hertz
400.0
Zso Impedance Magnitude In Ohms
234.00
Zso Impedance Angle In Deg
83.00
Rotor Dc Resistance In Ohms
16.50
Stator Dc Resistance In Ohms
4.70
Phase Shift Angle In Deg
1.300 input to output
Maximum Fundamental Null Voltage In Millivolts Per Volt
30.00 output
Maximum Total Null Voltage Output In Millivolts Per Volt
60.00
Pilot Length
0.1090 inches
Shoulder Length
0.2500 inches
Aft Of First Flange Diameter
Between 1.9985 inches and 1.9995 inches
Mounting Surface To Terminal End Distance
Between 4.0540 inches and 4.0800 inches
Shaft Thread Series Designator
Unf single shaft
Shaft Thread Direction
Right-hand single shaft
Shaft Thread Class
2a single shaft
Terminal Location
Rear
Shaft Thread Length
0.3100 inches single shaft and 0.3400 inches single shaft
Shaft Type
Round, threaded single shaft
Transformation Ratio
1.027 rotor to stator
Shaft Thread Size
0.240 inches single shaft
Test Data Document
81349-mil-r-14346 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", "", etc.).
Terminal Type And Quantity
8 screw
23RS Series Parts

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23RS4A Cross Reference
  • VRB23-4A
  • 113D2G
  • 23R3N4
  • MILR14346
  • 10033253
  • 7677411
  • 10033253
  • VRB23/41-4C
  • A3002668
  • MS51079-1