Pre Wire Wound Variable Resistor NSN 5905-00-987-3111

Item Description

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) of the output is equal to or less than plus or munus 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, nonprecision.

NSN: 5905-00-987-3111

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Features and Characteristics

Section Quantity

Body Style

Rectangular

Reliability Indicator

Not established

Overall Length

Between 4.125 inches and 4.215 inches

Overall Height

Between 1.105 inches and 1.135 inches

Overall Width

Between 0.785 inches and 0.815 inches

Mounting Slot Width

Between 0.175 inches and 0.205 inches

Shaft Diameter

Between 0.1871 inches and 0.1875 inches

Shaft Length

Between 0.970 inches and 1.030 inches

Body Length

Between 3.155 inches and 3.185 inches

Body Width

Between 0.655 inches and 0.685 inches

Body Height

Between 0.735 inches and 0.765 inches

Shaft Style

Round

Actuator Type

Single shaft

Mounting Facility Quantity

Terminal Location

Rear end

Mounting Method

Slot

Electrical Resistance Per Section

20.0 kilohms all sections

Function Conformity Tolerance Per Section

-0.50/+0.50 all sections

Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power

175.0 all sections

Power Dissipation Rating Per Section In Watts

1.0 free air all sections

Function Conformity Per Section

All sections independent linearity

Resistance Tolerance Per Section In Percent

-5.0/+5.0 all sections

Function Characteristic Per Section

All sections linear

Tempurature Coefficient Of Resistance Wire Per Section In Ppm Per Deg Celsius

-20.0/+20.0 all sections

Ambient Tempurature In Deg Celsius Per Section At Full Rated Power

40.0 all sections

Special Features

Wire leads terminated with winchester plug m7p; case supplied with mounting lugs

Test Data Document

18876-9997820 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

7 wire lead

FSC

5905 Resistors

NIIN

009873111

NSN

5905009873111

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

9997820

Cage Code:

18876

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 8533390080
NAICS: 334416
SITC: 77233
Description: Wirewound variable resistors, nesoi
End Use (Code 20005):
Electric apparatus

Q & A

Frequently asked questions for NSN 5905-00-987-3111

What are the manufacturers of nsn 5905009873111?

U S Army Aviation And Missile (18876)

Does this nsn 5905009873111 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5905009873111
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) of the output is equal to or less than plus or munus 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, nonprecision.

Does nsn 5905009873111 contain any precious metals?
Precious metal content is unknown.

Does nsn 5905009873111 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5905009873111?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

37408

FIIG:

A002A0

App. Key:

Cond. Code:

Status:

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