NSN: 5990-00-018-9719

Technical Characteristics

• Shaft Thread Series Designator

  unf single shaft

• Flange Thickness

  0.0930 inches nominal

• Body Material

  steel, stainless

• Body Size

  18

• Transformation Ratio

  1.154 rotor to stator nominal

• Spline Tooth Quantity

  21 single shaft

• Zrs Impedance Magnitude In Ohms

  76.00 minimum and 110.00 maximum

• Torque Gradient Per Angular Deg

  0.100 inch-ounces maximum

• Maximum Temp Rise

  20.0 deg celsius

• Stator Input Electrical Power Rating

  950.0 milliwatts nominal

• Zrs Impedance Angle In Deg

  40.00 minimum and 55.00 maximum

• Body Style

  standard round c

• Mounting Surface To Terminal End Distance

  2.6700 inches nominal

• Phase Shift Angle In Deg

  2.000 input to output nominal

• Alignment Hole Bolt Circle Diameter

  1.2500 inches nominal

• ~1

  data on certain environmental and performanc

• Specification/standard Data

  81349-mil-s-20708/30 government specification

• Alignment Hole Depth

  0.1250 inches minimum

• Shaft Thread Class

  2a

• Undercut Diameter

  1.6250 inches nominal

• Shaft Nominal Thread Size

  0.190 inches single shaft

• Pilot Diameter

  0.9370 inches minimum and 0.9375 inches maximum

• Shaft Length

  0.5400 inches nominal single shaft

• Alignment Hole Quantity

  4

• Overall Length

  3.2100 inches nominal

• Stator Input Current Rating

  128.0 milliamperes maximum

• Spline Tooth Diametral Pitch

  120 single shaft

• Maximum Fundamental Null Voltage In Millivolts Per Volt

  40.00 output

• Zso Impedance Magnitude In Ohms

  610.00 minimum and 785.00 maximum

• Electrical Error Angular Range In Minutes

  -6.0/+6.0

• Maximum Total Null Voltage Output In Millivolts Per Volt

  75.00

• Shoulder Diameter

  1.5615 inches minimum and 1.5620 inches maximum

• Test Data Document

  81349-mil-s-20708 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

• Pilot Length

  0.0400 inches nominal

• Shaft Thread Length

  0.2000 inches nominal single shaft

• Shaft Thread Direction

  right-hand single shaft

• Terminal Location

  rear

• Zso Impedance Angle In Deg

  83.00 minimum and 86.50 maximum

• Shaft Diameter

  0.1870 inches minimum single shaft and 0.1872 inches maximum single shaft

• Flange Diameter

  1.7450 inches minimum and 1.7500 inches maximum

• Stator Input Voltage Rating In Volts

  90.0 nominal

• Terminal Type And Quantity

  5 screw

• Shoulder Length

  0.1320 inches nominal

• Shaft Type

  round, slotted single shaft

• Frequency In Hertz

  400.0 nominal

• Undercut Width

  0.0780 inches nominal