Pre Wire Wound Variable Resistor NSN 5905-01-287-2252

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: 5905-01-287-2252

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Features and Characteristics

Section Quantity

Body Style

Cylindrical bushing mounted

Reliability Indicator

Not established

First Flat Length

Between 0.487 inches and 0.503 inches

Flat Height

Between 0.216 inches and 0.220 inches

Body Diameter

0.865 mils and 0.885 centimeters

Shaft Diameter

Between 0.248 inches and 0.250 inches

Shaft Length

Between 0.865 inches and 0.885 inches

Mounting Bushing Length

0.250 inches

Body Length

Between 1.458 inches and 1.478 inches

Shaft Style

Round, flatted

Shaft Bearing Type

Sleeve

Switch Type

Rotary

Switch Voltage Rating In Volts

28.0

Actuator Type

Single shaft

Effective Electrical Rotation In Deg Angular Rotation

Between 265.0 and 275.0

Maximum Starting Torque

15.00 inch-ounces

Maximum Running Torque

6.00 inch-ounces

Maximum Stop Torque

240.00 inch-ounces

Nonturn Device Location

At 3 oclock

Nonturn Device Radius

0.375 inches

Mechanical Backlash In Deg Angular Rotation

2.0

Switch Operating Position

Start of rotation

Switch Contact Arrangement

Double pole, single throw, normally open

Fragility Factor

Moderately rugged

End Application

Nav-8a/b/cdcn

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

Humidity proof and shaft seal and switch

Cubic Measure

0.895 cubic inches

Electrical Resistance Per Section

5.0 percent, rated amperes c and better flooring

Rotary Actuator Travel In Angular Deg

Between 295.0 and 305.0

Function Conformity Tolerance Per Section

-1.00/+1.00 single section

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

135.0 single section

Power Dissipation Rating Per Section In Watts

4.0 7th secondary quality

Function Conformity Per Section

Single section independent linearity

Resistance Tolerance Per Section In Percent

-5.0/+5.0 single section

Actuator Travel Control Feature

Stops

Function Characteristic Per Section

7 oclock all primaries

Ambient Tempurature In Deg Celsius Per Section At Full Rated Power

40.0 single section

Switch Current Type And Rating In Amps

8.000 dc

Test Data Document

76301-5-1680 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 solder stud

FSC

5905 Resistors

NIIN

012872252

NSN

5905012872252

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

55-50-284

Cage Code:

18065

Status:

MSDS:

Part Number:

78G-0001-002

Cage Code:

0SDW2

Status:

MSDS:

Part Number:

14WB2

Cage Code:

19176

Status:

MSDS:

Part Number:

SP128

Cage Code:

06880

Status:

MSDS:

Part Number:

5M1680-002

Cage Code:

76301

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 5905-01-287-2252

What are the manufacturers of nsn 5905012872252?

Samarius Precision Instruments Inc (18065)
Greystone Electronics Corp (0SDW2)
Servo Instrument Corporation (19176)
Data Instruments Inc (06880)
Boeing Company, The (76301)
Honeywell Sensing & Control (94603)

Does this nsn 5905012872252 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5905012872252
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 5905012872252 contain any precious metals?
No precious metal content.

Does nsn 5905012872252 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5905012872252?
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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