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

Electrical Resolver

Model / MPN: RS931-2E | NSN: 5990-00-072-9408
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
5990-00-072-9408
Sold in multiples of
1 EA
DEMIL
NO
Body Material
Steel, corrosion resisting
Body Style
Standard round b
Shoulder Diameter
Between 0.9995 inches and 1.0000 inches
Pilot Diameter
Between 0.6245 inches and 0.6250 inches
Overall Length
Between 2.3220 inches and 2.3270 inches
Flange Diameter
Between 1.0580 inches and 1.0650 inches
Flange Thickness
0.0930 inches
Undercut Width
0.0500 inches
Shaft Diameter
0.1195 inches single shaft and 0.1200 inches single shaft
Shaft Length
0.6140 inches single shaft and 0.6380 inches single shaft
Fragility Factor
Moderately rugged
Maximum Tempurature Rise
2.5 degrees celsius
Body Size
11
Rotor Input Voltage Rating In Volts
26.0
Frequency In Hertz
400.0
Rotor Input Current Rating
52.0 milliamperes
Rotor Input Electrical Power Rating
340.0 milliwatts
Zro Impedance Magnitude In Ohms
550.00
Zro Impedance Angle In Deg
78.10
Rotor Dc Resistance In Ohms
75.00
Stator Dc Resistance In Ohms
15.50
Transformation Ratio Equality In Percent
0.4
Phase Shift Angle In Deg
8.000 input to output
Maximum Fundamental Null Voltage In Millivolts Per Volt
18.00 output
Maximum Total Null Voltage Output In Millivolts Per Volt
30.00
Actuator Friction Torque At Minus 55 Deg Celsius
16.00 centimeter-grams
Actuator Friction Torque At Plus 25 Deg Celsius
4.00 centimeter-grams
Pilot Length
0.0620 inches
Shoulder Length
0.0620 inches
Mounting Surface To Terminal End Distance
Between 1.6980 inches and 1.7030 inches
Terminal Location
Rear
Shaft Slot Depth
0.0300 inches single shaft
Shaft Slot Width
0.0250 inches single shaft
Shaft Type
Round, slotted single shaft
Transformation Ratio
0.484 rotor to stator
Terminal Type And Quantity
7 wire lead

Pricing and Availability

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RS931-2E Cross Reference
  • 229-0143-00
  • 21302260
  • RS931-2E
  • 11-4111-03
  • 330C784