P490803

P490803 Non Wire Wound Variable Resistor

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Datasheet. P490803 specification

Section Quantity
The number of individual elements.

1

Body Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the body.

cylindrical friction mounted

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

Terminal Length
A measurement of the longest dimension of a terminal,in distinction from width.

0.250in.

Body Diameter
The length of a straight line which passes through the center of the body,and terminates at the circumference.

2.000in.

Shaft Diameter
The length of a straight line which passes through the center of a shaft,and terminates at the circumference.

0.250in.

Shaft Length
A measurement of the longest dimension of the shaft,in distinction from width.

0.562in.

Body Length
A measurement of the longest dimension of the body,in distinction from width.

1.062in.

Shaft Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the shaft.

round

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

single shaft

Center To Center Distance Between Terminals
The center to center distance between terminals.

0.625in.

End Item Identification
The national stock number or the identification information of the end equipment for which the item is a part.

speed control unit for main propulsion motor onobard 140 ft wtgb coast guard vessels

Terminal Location
The position of the terminal/s/ for making connection to an item.

radially positioned over more than half the circumference

Mounting Method
The means of attaching the item.

friction

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

20000.0 ohms single section

Center To Center Distance Between Center Terminal And Outside Terminal
The center to center distance between the center terminal and the outside terminal.

0.312in.

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.

150.0 single section

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

10.0 free air single section

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.

-20.0/+20.0 single section

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.

85.0 single section

Terminal Type And Quantity
Indicates the type and number of terminals for providing electrical connection.

4 pin

Answers.

What quantity is this sold in?

1EA

What is the NSN for P490803?

5905-01-131-3865

How is this classified for shipping?

Schedule B number: 8533390080
Wirewound variable resistors

What's the federal classification of P490803?

FSC 5905 ⁓ Resistors

Excluding resistance wire.

NSN 5905-01-131-3865 RESISTOR,VARIABLE,WIRE WOUND,NON

Used on speed control unit for main propulsion motor onobard 140 ft wtgb coast guard vessels.

NIIN
011313865
NIIN Date
05/11/82
Schedule B
8533390080 
Name Code
37406
FIIG
A002A0
QUP
Historical Price
$2,125.00 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
No precious metals
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Major End Users Countries and entities

  • - U.s. Coast Guard 

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Nothing similar to this part number was found in our inventory

P490803 / Resistor,variable,wire wound,nonWhat 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 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.