1803993-8 Nonwire Wound Variable Resistor

Section Quantity
The number of individual elements.

2

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

cylindrical servo 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

Pilot Diameter
The length of a straight line which passes through the center of that portion used to guide the item and terminates at the circumference.

1.3120in. and 1.3125in.

Pilot Length
The length of the pilot,which is the unthreaded portion beyond the thread used to guide the item.

0.0570in. and 0.0670in.

Undercut Diameter

1.280in. and 1.290in.

Undercut Width

0.0680in. and 0.0780in.

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

1.432 mils and 1.442 centimeters

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

0.2494in. and 0.2497in.

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

0.600in. and 0.640in.

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

1.510in.

Mounting Lip Diameter

1.4320in. and 1.4420in.

Mounting Lip Depth

0.0880 mils and 0.0980 centimeters

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

round

Shaft Bearing Type
Indicates the type of shaft bearing/s/ furnished.

sleeve

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

single shaft

Effective Electrical Rotation In Deg Angular Rotation
That part of the total rotational travel of the actuator that produces a change in output,expressed in degree angular rotation.

340.0

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

0.60 INCH-Ounces

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

0.40 INCH-Ounces

Shaft Runout
The eccentricity of the shaft diameter with respect to the rotational axis of the shaft,measured at a specified distance from the end of the shaft,when the body of the item is held fixed and the shaft is rotated with a specified load applied radially to the shaft.

0.001in.

Lateral Runout
The perpendicularity of the mounting surface,with respect to the rotational axis of the shaft,and measured on the mounting surface at a specified distance from the outside edge of the mounting surface,when the shaft is held fixed and the body of the item is rotated with specified loads applied radially and axially to the body of the item.

0.001in.

Pilot Diameter Runout
The eccentricity of the pilot diameter with respect to the rotational axis of the shaft and measured on the pilot diameter when the shaft is held and the body of the item is rotated while a specified load is applied radially to the body.

0.001in.

Shaft Radial Play
The total radial excursion of the shaft measured at a specified distance from the front surface of the unit with a specified radial load applied alternately in opposite directions at a specified point.

0.001in.

Mechanical Backlash In Deg Angular Rotation
The maximum difference of shaft position that occurs when the shaft is moved to the same actual output ratio point from opposite directions,expressed in degree angular rotation.

0.25

Fragility Factor
The measure of sensitivity of the item to be packaged. a factor used by packaging engineers in devising proper cushioning in a package.

moderately rugged

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.

clamp ring

Features Provided
Those features,not otherwise specified,which may be required for proper functioning of the item.

humidity proof

Cubic Measure
A measurement of volume taken by multiplying the length by the width by the height of an item and rendered in cubic units.

1.573 cubicin.

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

5.0 percent, rated amperes c and better

Tap Location From Ccw Terminal Per Section In Deg Of Effective Electrical Rotation
The location per section,in degrees,of effective electrical rotation between the counterclockwise terminal of a resistor and each tap terminal.

170.0 all sections

Rotary Actuator Travel In Angular Deg
The measurement of the rotary mechanical motion of the actuating shaft of an item,expressed in degrees.

360.0

Function Conformity Tolerance Per Section
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.

-0.50/+0.50 all sections

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.

125.0 all sections

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

1.0 7th secondary at 10'30 oclock

Function Conformity Per Section
The fidelity of the relationship between the actual function characteristics and the theoretical function per section.

all sections independent linearity

Fixed Tap Quantity Per Section
The number of fixed terminals at points between the end terminals that provide connection to the intermediate values of the total value per section.

2 all sections

Tap Location Tolerance Per Section
The limits of permissible variation from the rated value of the location of a tap per section.

-1.0/+1.0 ohms 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

Actuator Travel Control Feature
The feature that controls the actuator travel.

continuous motion

Tap Location From Ccw Terminal Per Section In Ohms
Indicates the location of a tap relative to the counterclockwise terminal per section,expressed in ohms.

2500.0 all sections

Function Characteristic Per Section
The specified mathematical relation per section between the terminal resistance,or output ratio,and the rotation of the actuator.

6 oclock 7th primary

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.

75.0 all sections

Special Features
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.

one terminal not electrically connected

Test Data Document
The specification,standard,drawing,or similar instrument that specifies environmental and performance requirements or test conditions under which an item is tested and establishes acceptable limits within which the item must conform identified by an alphabetic and/or numeric reference number. includes the commercial and government entity (cage) code of the entity controlling the instrument.

03956-1803993 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)

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

10 turret

1803993-8

Price Quote Get an up to date pricing and availability quote for this product. Order online or over the phone.

Quality Commitment

Datasheet. 1803993-8 specification

Answers.

NSN 5905-01-064-3764 RESISTOR,VARIABLE,NONWIRE WOUND,

Major End Users Countries and entities

Availability for 1803993-8 A member of our team will provide you with a price and availability quote

Similar by Design Other resistors with similar characteristics

1803993-8 / Resistor,variable,nonwire wound,What is the formal definition of this item?