NSN 5905-00-721-3239, 5905007213239
RESISTOR,VARIABLE,NONWIRE WOUND,

Federal Supply Classification: FSC 5905 - Resistors
National Item Identification Number: NIIN 007213239
Codification Country: United States
Item Name Code: INC 37405
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

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DLMS^® Summary

National Stock Number 5905-00-721-3239

National Stock Number (NSN) 5905-00-721-3239, or NIIN 007213239, (resistor,variable,nonwire wound,) was assigned July 11, 1971 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 6 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

This NSN is assigned to Item Name Code (INC) 37405. [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 OR MINUS 1 PERCENT ON LINEAR OUTPUTS. SPECIFIED OUTPUTS SUCH AS SINE, COSINE, TANGENT, AND THE LIKE, 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, WIRE WOUND, NONPRECISION; RESISTOR (1), VARIABLE, NONWIRE WOUND PRECISION; AND RESISTOR (1), VARIABLE, WIRE WOUND, PRECISION.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5905007213239 does not contain precious metals.

This NSN is associated to Schedule B 8533400080: variable resistors, including potentiometers, nesoi. The Schedule B End Use is listed as electric apparatus.

This information was last updated on Aug 01, 2025.

Technical Characteristics

STANDARD TAPER CURVE PER SECTION: (CSDL) A SINGLE SECTION
III FRAGILITY FACTOR: (AFJN) MODERATELY RUGGED
POWER DISSIPATION RATING PER SECTION IN WATTS: (CRGD) 1.0 7TH SECONDARY QUALITY
UNABLE TO DECODE: (CSDL) UNABLE TO DECODE
UNABLE TO DECODE: (APXH) UNABLE TO DECODE
RESISTANCE TOLERANCE PER SECTION IN PERCENT: (CRSS) -10.0/+10.0 SINGLE SECTION
UNABLE TO DECODE: (AEDZ) UNABLE TO DECODE
III CUBIC MEASURE: (CBME) 0.074 CUBIC INCHES
MOUNTING HOLE DIAMETER: (ABTB) 0.093 NOMINAL INCHES
ELECTRICAL RESISTANCE PER SECTION: (CQCC) 20.0 PERCENT, RATED AMPERES C AND BETTER FLOORING
SHAFT BEARING TYPE: (AEDZ) BEARING
ACTUATOR TRAVEL CONTROL FEATURE: (CRSX) CLUTCH
ACTUATOR TYPE: (AEFD) SINGLE SHAFT
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER: (CSDH) 70.0 SINGLE SECTION
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER: (CQGN) 150.0 SINGLE SECTION
BODY HEIGHT: (ADAU) 0.300 INCHES MINIMUM AND 0.330 INCHES MAXIMUM
BODY LENGTH: (ADAQ) 1.250 INCHES NOMINAL
BODY STYLE: (AAQL) RECTANGULAR W/MOUNTING HOLES/SLOTS
BODY WIDTH: (ADAT) 0.190 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN CENTER TERMINAL AND OUTSIDE TERMINAL: (CQCM) 0.300 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINAL ROWS: (AYQR) 0.100 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS: (AEHT) 0.700 INCHES NOMINAL
CUBIC MEASURE: (CBME) 0.074 CUBIC INCHES
EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION: (AEFH) 7920.0 NOMINAL
ELECTRICAL RESISTANCE PER SECTION: (CQCC) 20.0 KILOHMS SINGLE SECTION
FEATURES PROVIDED: (CBBL) HUMIDITY PROOF
FRAGILITY FACTOR: (AFJN) MODERATELY RUGGED
LATERAL DISTANCE BETWEEN MOUNTING HOLE CENTERS: (AGTP) 1.000 INCHES NOMINAL
MAXIMUM RUNNING TORQUE: (AEFL) 5.00 INCH-OUNCES
MAXIMUM STARTING TORQUE: (AEFK) 5.00 INCH-OUNCES
MOUNTING FACILITY QUANTITY: (AKPV) 2
MOUNTING HOLE DIAMETER: (ABTB) 0.093 INCHES NOMINAL
MOUNTING METHOD: (AXGY) TERMINAL AND UNTHREADED HOLE
POWER DISSIPATION RATING PER SECTION IN WATTS: (CRGD) 1.0 FREE AIR SINGLE SECTION
RELIABILITY INDICATOR: (AARG) NOT ESTABLISHED
RESISTANCE TOLERANCE PER SECTION IN PERCENT: (CRSS) -10.0 TO 10.0 SINGLE SECTION
ROTARY ACTUATOR TRAVEL IN ANGULAR DEG: (CQCK) 7920.0 NOMINAL
SECTION QUANTITY: (AAPN) 1
SHAFT LENGTH: (ABXF) 0.036 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
SHAFT BEARING TYPE: (CXHN) BEARING
SHAFT DIAMETER: (ABWV) 0.100 INCHES NOMINAL
SHAFT STYLE: (AEDX) ROUND, SLOTTED
TEMP COEFFICIENT OF RESISTANCE PER SECTION IN PPM PER DEG CELSIUS: (CRFJ) -100.0 TO 100.0 SINGLE SECTION
TERMINAL LENGTH: (ABJT) 0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM
TERMINAL LOCATION: (CQTM) LOWER ADJACENT SIDE TWO ROWS
TERMINAL TYPE AND QUANTITY: (TTQY) 3 PIN
TERMINAL LOCATION: (APXH) LOWER ADJACENT SIDE TWO ROWS
CENTER TO CENTER DISTANCE BETWEEN CENTER TERMINAL AND OUTSIDE TERMINAL: (CQCM) 0.300 NOMINAL INCHES
TEMP COEFFICIENT OF RESISTANCE PER SECTION IN PPM PER DEG CELSIUS: (CRFJ) -100.0/+100.0 SINGLE SECTION