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Non Wire Wound Variable Resistor

Model / MPN: MILR19-1 | NSN: 5905-00-043-2667
ITAR Registered seal

A resistor in which a sliding or rolling contact moves over an exposed area of the resistive element to change the ohmic value of the output. The functional tolerance (linearity), if given, of the output is greater than plus of minus 1 percent on linear outputs. Specified outputs such as sine, cosine, tangent, etc., shall be considered to be precision. For items having manually positioned taps designed to be set and fixed prior to use, see resistor, adjustable. For items with step by step variation, see rheostat and resistor, step by step. For tandem-mounted items designed to function together as an attenuator (and rated accordingly), see attenuator, variable. Excludes resistor (1), variable, nonwire wound, nonprecision; resistor (1), variable, nonwire wound, precision; and resistor (1), variable, wire wound, precision.

Product Details
NATO Stock Number
Sold in multiples of
1 EA
Section Quantity
Body Style
Cylindrical bushing mounted
Reliability Indicator
Not established
Overall Length
Between 0.797 inches and 0.959 inches
Body Diameter
Between 0.720 inches and 0.780 inches
Shaft Diameter
Between 0.123 inches and 0.126 inches
Shaft Length
Between 0.407 inches and 0.469 inches
Mounting Bushing Length
Between 0.360 inches and 0.400 inches
Body Length
Between 0.390 inches and 0.490 inches
Overall Diameter
1.090 inches
Shaft Style
Round, slotted
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
Between 290.0 and 305.0
Maximum Starting Torque
6.00 inch-ounces
Maximum Stop Torque
48.00 inch-ounces
Nonturn Device Location
At 9 oclock
Nonturn Device Radius
Between 0.219 inches and 0.249 inches
Screw Thread Diameter
0.250 inches
Screw Thread Series Designator
Screw Thready Qty Per Inch (tpi)
Terminal Location
Radially positioned over less than half the circumference
Mounting Method
Locking bushing
Electrical Resistance Per Section
25.000 ohms single section
Rotary Actuator Travel In Angular Deg
Between 290.0 and 305.0
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
105.0 single section
Power Dissipation Rating Per Section In Watts
1.0 free air single section
Resistance Tolerance Per Section In Percent
-10.0/+10.0 single section
Resistance Tolerance Per Section In Percent
-10.0 to 10.0 single section
Actuator Travel Control Feature
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
40.0 single section
Standard Taper Curve Per Section
A single section
Terminal Type And Quantity
3 tab, solder lug

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MILR19-1 Cross Reference
  • RA10LASM250A
  • 381-0905-00
  • 381-0905-00
  • 49M9-25R0J