Non Wire Wound Variable Resistor
55-50-186
(NSN) National Stock Number
5905-00-168-9318
Federal Supply Classification
5905 Resistor
Item Name Code
37406
Schedule B Code
8533390080
Summary
2 section quantity, cylindrical bushing mounted body style, 3.813 inches maximum overall length, 1.219 inches maximum body diameter, 0.250 inches maximum shaft diameter, 1.500 inches nominal shaft length
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 5 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | KE |
Identification
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, and the like, 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.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 37406 | A002A0 | 1 | 1 |
Specifications
Section Quantity
2
Details
The number of individual elements.Body Style
cylindrical bushing mounted
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the body.Overall Length
3.813 inches maximum
Details
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.Body Diameter
1.219 inches maximum
Details
The length of a straight line which passes through the center of the body,and terminates at the circumference.Shaft Diameter
0.250 inches maximum
Details
The length of a straight line which passes through the center of a shaft,and terminates at the circumference.Shaft Length
1.500 inches nominal
Details
A measurement of the longest dimension of the shaft,in distinction from width.Mounting Bushing Length
0.250 inches nominal
Details
None.Body Length
2.313 inches maximum
Details
A measurement of the longest dimension of the body,in distinction from width.Overall Diameter
1.094 inches maximum
Details
A measurement of the longest straight line across a circular cross-sectional plane.Undercut Diameter
0.125 inches maximum
Details
None. please use mrc abpa in place of this discontinued mrc.Shaft Style
round, stepped
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the shaft.Shaft Bearing Type
bearing
Details
Indicates the type of shaft bearing/s/ furnished.Switch Type
rotary
Details
Indicates the type of switch included in the item.Switch Voltage Rating In Volts
125.0
Details
The voltage for which the switch is rated for normal operation,expressed in volts.Actuator Type
dual concentric
Details
Indicates the type of facility or arrangement provided for moving the variable contact(s).Effective Electrical Rotation In Deg Angular Rotation
320.0 nominal
Details
That part of the total rotational travel of the actuator that produces a change in output,expressed in degree angular rotation.Maximum Starting Torque
2.00 inch-ounces
Details
The maximum amount of turning force required to initiate the actuator movement.Maximum Running Torque
2.00 inch-ounces
Details
The maximum amount of force requred to maintain actuator movement.Maximum Stop Torque
128.00 inch-ounces
Details
The maximum amount of turning force that can be applied through the operating shaft with0ut damage to the stops.Nonturn Device Location
at 12 oclock
Details
Indicates the location of a mechanical device which prevents the turning of the item on its mounted surface,expressed by the twelve hour clock designation. please use mrc cqph with isac in place of this discontinued mrc.Nonturn Device Radius
0.359 inches nominal
Details
The linear measurement of the distance from the actuator centerline to the centerline of the nonturn device.Switch Operating Position
start of rotation
Details
The definitive positional point at which the switch operates /starting with the actuator in extreme counterclockwise position and moving clockwise for rotary actuated resistors;starting with actuator full retracted /pushed in/ for longitudinally actuated resistors/. please use mrc arnh in place of this discontinued mrc.Switch Contact Arrangement
single pole, single throw, normally open, both positions maintained
Details
A designation that describes the basic electrical configuration of a switch.Fragility Factor
rugged
Details
The measure of sensitivity of the item to be packaged. a factor used by packaging engineers in devising proper cushioning in a package.Undercut Length
0.500 inches nominal
Details
None.Screw Thread Diameter
0.375 inches nominal
Details
The length of a straight line which passes through the center of a coaxial cylinder which would bound the crest of an external thread or the root of an internal thread.Screw Thread Series Designator
unef
Details
A designation distinguishing one group of screw thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.Screw Thread Quantity Per Inch
32.0
Details
The number of screw threads on the item per linear inch measured on a line parallel to the thread axis,including incomplete threads.Terminal Location
rear-bottom
Details
The position of the terminal/s/ for making connection to an item.please use mrc cqtm in place of this discontinued mrc.Mounting Method
standard bushing
Details
The means of attaching the item.Features Provided
switch
Details
Those features,not otherwise specified,which may be required for proper functioning of the item.Electrical Resistance Per Section
5.000 kilohms 1st section
Details
A measure of the opposition to the flow of direct or alternating current per section.Electrical Resistance Per Section
500.000 ohms 2nd section
Details
A measure of the opposition to the flow of direct or alternating current per section.Rotary Actuator Travel In Angular Deg
320.0 nominal
Details
The measurement of the rotary mechanical motion of the actuating shaft of an item,expressed in degrees.Function Conformity Tolerance Per Section
-3.00 to 3.00 all sections
Details
The permissible range per section by which the actual value of resistance or voltage at any specified point may deviate from the theoretical value for the linear or nonlinear function,expressed as a minus and plus percent.Ambient Temp In Deg Celsius Per Section At Zero Percent Rated Power
125.0 all sections
Details
The ambient temperature at which the power dissipation of each section is derated to zero percent of the full rated power.Power Dissipation Rating Per Section In Watts
2.0 free air 2nd section
Details
The maximum amount of electrical energy that can be expended per section,expressed in watts.Power Dissipation Rating Per Section In Watts
4.0 free air 1st section
Details
The maximum amount of electrical energy that can be expended per section,expressed in watts.Function Conformity Per Section
all sections independent linearity
Details
The fidelity of the relationship between the actual function characteristics and the theoretical function per section.Resistance Tolerance Per Section In Percent
-5.0 to 5.0 all sections
Details
The limits of permissible variation in the electrical resistance value per section of an item from its rated value,expressed in percent.Actuator Travel Control Feature
stops
Details
The feature that controls the actuator travel.Function Characteristic Per Section
all sections linear
Details
The specified mathematical relation per section between the terminal resistance,or output ratio,and the rotation of the actuator.Temp Coefficient Of Resistance Wire Per Section In Ppm Per Deg Celsius
-20.0 to 20.0 all sections
Details
A constant that represents the proportionate change in resistance of the wire per section of which the resistance element of a resistor is wound,expressed in parts per million per degree celsius.Ambient Temp In Deg Celsius Per Section At Full Rated Power
60.0 all sections
Details
The ambient temperature,expressed in degrees celsius,of the medium surrounding each section at which it can be operated continuously at full rated power.Switch Current Type And Rating In Amps
2.000 ac
Details
Indicates the type of electrical current and the capacity for normal operation of the switch,expressed in amperes.Terminal Type And Quantity
8 turret
Details
Indicates the type and number of terminals for providing electrical connection.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| APC1 1-8-112 | 94603 | 5 | - | 5 | 9 | - | KE |
| APC11-8-112 | 94603 | 5 | - | 3 | 2 | - | KE |
| APC1 1-8-112 | 06880 | 5 | - | 5 | 9 | - | KE |
| 128SCAV620-7 | 26512 | 5 | - | 1 | 2 | - | KE |
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | A | A | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| 35140 | - | P | P |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 658 | Z | 9 |
What's Included?
- Certificate of Conformity
- QC Inspection prior to shipping
- On time delivery
- Friendly service to back every order
Manufacturer
SAMARIUS PRECISION INSTRUMENTS, INC. DBA SAMARIUS PRECISION INSTRUMENTS
CAGE: 18065
WALLINGFORD
, CT
, 06492-4053
UNITED STATES
View Products
FAQs
Frequently asked questions for NSN 5905-00-168-9318
What is the NIIN of the NSN 5905-00-168-9318?
The National Item Identification Number (NIIN) of the NSN 5905-00-168-9318 is 00-168-9318
When the NSN 5905-00-168-9318 was assigned to the Federal Catalog?
It was assigned 53 years ago, on Wed, Jun 16, 1971
Does the NSN 5905-00-168-9318 contain any precious metals?
Does not contain precious metal
Does the NSN 5905-00-168-9318 contain any hazardous material?
No data in HMIRS
What is the ESD classification of NSN 5905-00-168-9318?
No known electrostatic discharge
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