Non Wire Wound Variable Resistor NSN 5905-00-812-0452

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), 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.

NSN: 5905-00-812-0452

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Features and Characteristics

Section Quantity

Body Style

Cylindrical bushing mounted

Reliability Indicator

Not established

Overall Length

Between 1.944 inches and 2.186 inches

Body Diameter

Between 1.100 inches and 1.310 inches

Shaft Diameter

Between 0.248 inches and 0.251 inches

Shaft Length

Between 0.844 inches and 0.906 inches

Mounting Bushing Length

Between 0.360 inches and 0.390 inches

Body Length

Between 0.850 inches and 0.970 inches

Overall Diameter

1.750 inches

Shaft Style

Round, slotted

Switch Type

Rotary

Switch Voltage Rating In Volts

117.0

Actuator Type

Single shaft

Effective Electrical Rotation In Deg Angular Rotation

Between 220.0 and 285.0

Maximum Starting Torque

6.00 inch-ounces

Maximum Stop Torque

128.00 inch-ounces

Nonturn Device Location

At 9 oclock

Nonturn Device Radius

Between 0.516 inches and 0.546 inches

Switch Operating Position

Start of rotation

Switch Contact Arrangement

Single pole, single throw, normally open, both positions maintained

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

Switch

Electrical Resistance Per Section

20.0 ohms single section

Rotary Actuator Travel In Angular Deg

Between 290.0 and 305.0

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

105.0 single section

Power Dissipation Rating Per Section In Watts

2.0 free air single section

Resistance Tolerance Per Section In Percent

-10.0/+10.0 single section

Actuator Travel Control Feature

Stops

Ambient Tempurature In Deg Celsius Per Section At Full Rated Power

40.0 single section

Switch Current Type And Rating In Amps

3.000 ac

Standard Taper Curve Per Section

A single section

Test Data Document

81349-mil-r-19 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).

Terminal Type And Quantity

5 tab, solder lug

Specification Data

81349-mil-r-19/2 government specification

FSC

5905 Resistors

NIIN

008120452

NSN

5905008120452

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

RA20NBSD200A

Cage Code:

99942

Status:

MSDS:

Part Number:

MILR19

Cage Code:

81349

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 5905-00-812-0452

What are the manufacturers of nsn 5905008120452?

N A P Smd Technology Inc (99942)
Military Specifications (81349)

Does this nsn 5905008120452 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5905008120452
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.

Does nsn 5905008120452 contain any precious metals?
Precious metal content is unknown.

Does nsn 5905008120452 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5905008120452?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

37406

FIIG:

A002A0

App. Key:

Cond. Code:

Status:

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