Pre Wire Wound Variable Resistor NSN 5905-00-643-9420

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: 5905-00-643-9420

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Features and Characteristics

Section Quantity

Body Style

Cylindrical bushing mounted

Reliability Indicator

Not established

Overall Length

2.482 inches

Terminal Length

0.250 inches

Body Diameter

3.000 inches

Shaft Diameter

0.250 inches

Shaft Length

Between 1.469 inches and 1.531 inches

Mounting Bushing Length

0.500 inches

Body Length

Between 0.962 inches and 1.002 inches

Overall Diameter

3.250 inches

Shaft Style

Round

Shaft Bearing Type

Sleeve

Actuator Type

Single shaft

Effective Electrical Rotation In Deg Angular Rotation

358.0

Maximum Starting Torque

1.50 inch-ounces

Maximum Running Torque

1.20 inch-ounces

Nonturn Device Location

At 9 oclock

Nonturn Device Radius

0.531 inches

Shaft End Play

0.00500 inches

Shaft Runout

0.001 inches

Lateral Runout

0.010 inches

Pilot Diameter Runout

0.00150 inches

Shaft Radial Play

0.002 inches

Screw Thread Diameter

0.375 inches

Screw Thread Series Designator

Unef

Screw Thready Qty Per Inch (tpi)

32.0

Terminal Location

Radially positioned over less than half the circumference

Mounting Method

Standard bushing

Features Provided

Nonmetallic shaft

Electrical Resistance Per Section

20.000 kilohms single section

Rotary Actuator Travel In Angular Deg

360.0

Function Conformity Tolerance Per Section

-0.10/+0.10 single section

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

85.0 single section

Power Dissipation Rating Per Section In Watts

5.0 free air single section

Function Conformity Per Section

Single section independent linearity

Fixed Tap Quantity Per Section

1 single section

Resistance Tolerance Per Section In Percent

-5.0/+5.0 single section

Actuator Travel Control Feature

Continuous motion

Tap Location From Ccw Terminal Per Section In Ohms

670.0 single section

Function Characteristic Per Section

Single section linear

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

-0.0/+130.0 single section

Ambient Tempurature In Deg Celsius Per Section At Full Rated Power

40.0 single section

Terminal Type And Quantity

4 tab, solder lug

FSC

5905 Resistors

NIIN

006439420

NSN

5905006439420

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

HP300

Cage Code:

18065

Status:

MSDS:

Part Number:

C745424-2

Cage Code:

21921

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 5905-00-643-9420

What are the manufacturers of nsn 5905006439420?

Samarius Precision Instruments Inc (18065)
Rca Corp (21921)

Does this nsn 5905006439420 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5905006439420
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 5905006439420 contain any precious metals?
Precious metal content is unknown.

Does nsn 5905006439420 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5905006439420?
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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