CM39639

CM39639 Nonwire Wound Variable Resistor

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Datasheet. CM39639 specification

Section Quantity
The number of individual elements.

2

Reliability Indicator
An indication that the level of probability that an item will operate without failure,at a specified rated capability,at a specified temperature,and for a specified period of time,has been established by testing random samples of production lot.

not established

Actuator Type
Indicates the type of facility or arrangement provided for moving the variable contact(s).

single shaft

Maximum Starting Torque
The maximum amount of turning force required to initiate the actuator movement.

4.00 INCH-Ounces

Maximum Running Torque
The maximum amount of force requred to maintain actuator movement.

4.00 INCH-Ounces

Maximum Stop Torque
The maximum amount of turning force that can be applied through the operating shaft with0ut damage to the stops.

192.00 INCH-Ounces

Mounting Method
The means of attaching the item.

standard bushing w/panel seal

Electrical Resistance Per Section
A measure of the opposition to the flow of direct or alternating current per section.

10.000 percent, rated amperes c and better industrial clears

Electrical Resistance Per Section
A measure of the opposition to the flow of direct or alternating current per section.

50.000 percent, rated amperes c and better finish

Ambient Temp In Deg Celsius Per Section At Zero Percent Rated Power
The ambient temperature at which the power dissipation of each section is derated to zero percent of the full rated power.

120.0 all sections

Power Dissipation Rating Per Section In Watts
The maximum amount of electrical energy that can be expended per section,expressed in watts.

5.0 free air all sections

Resistance Tolerance Per Section In Percent
The limits of permissible variation in the electrical resistance value per section of an item from its rated value,expressed in percent.

-10.0/+10.0 all sections

Ambient Temp In Deg Celsius Per Section At Full Rated Power
The ambient temperature,expressed in degrees celsius,of the medium surrounding each section at which it can be operated continuously at full rated power.

70.0 all sections

Standard Taper Curve Per Section
The rate of change and distribution of resistance per section,in relation to the rotation of the control shaft,which establishes a standard taper curve designated by an alphabetic character and accepted for common usage.

a all sections

Answers.

What is the NSN for CM39639?

5905-01-109-0584

How is this classified for shipping?

Schedule B number: 8533400080
nmfc 062960
Variable resistors, including potentiometers

What's the federal classification of CM39639?

FSC 5905 ⁓ Resistors

Excluding resistance wire.

NSN 5905-01-109-0584 RESISTOR,VARIABLE,NONWIRE WOUND,

NIIN
011090584
NIIN Date
03/09/81
Schedule B
8533400080 
Name Code
37405
FIIG
A002A0
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Metal content unknown
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Other Part Numbers Parts with same form, fit, and function by other manufacturers

1. D380-4X Cage 12697

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
77.5 
LCL (less than a car load rating)
77.5
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps) 
Commodity (for shipments via water)
Electrical appliances, small 
NMFC (national motor freight code)
062960 REOSTATS/PARTS NOI 
UFC (universal freight code)
35140 

Similar by Design Other resistors with similar characteristics

Nothing similar to this part number was found in our inventory

CM39639 / Resistor,variable,nonwire wound,What is the formal definition of this item?

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 or 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, wire wound, nonprecision; resistor (1), variable, nonwire wound precision; and resistor (1), variable, wire wound, precision.