NSN 5905-00-721-2750, 5905007212750
RESISTOR,VARIABLE,WIRE WOUND,NON

Federal Supply Classification: FSC 5905 - Resistors
National Item Identification Number: NIIN 007212750
Codification Country: United States
Item Name Code: INC 37406
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 5905-00-721-2750

National Stock Number (NSN) 5905-00-721-2750, or NIIN 007212750, (resistor,variable,wire wound,non) 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 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 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) 37406. [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, 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, NONWIRE 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 5905007212750 contains gold.

This NSN is associated to Schedule B 8533390080: wirewound variable resistors, nesoi. The Schedule B End Use is listed as electric apparatus.

This information was last updated on Aug 01, 2025.

Technical Characteristics

UNABLE TO DECODE: (CSDL) UNABLE TO DECODE
III PRECIOUS MATERIAL AND LOCATION: (PMLC) TERMINAL SURFACES GOLD
RESISTANCE TOLERANCE PER SECTION IN PERCENT: (CRSS) -5.0/+5.0 SINGLE SECTION
III PRECIOUS MATERIAL: (PRMT) GOLD
TERMINAL LOCATION: (APXH) LOWER ADJACENT SIDE TWO ROWS
STANDARD TAPER CURVE PER SECTION: (CSDL) A SINGLE SECTION
EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION: (AEFH) 320.0 NOMINAL
ELECTRICAL RESISTANCE PER SECTION: (CQCC) 100.0 OHMS SINGLE SECTION
ACTUATOR TRAVEL CONTROL FEATURE: (CRSX) STOPS
ACTUATOR TYPE: (AEFD) FLUSH DRIVE WITH SLOT-HOLE
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) 0.563 INCHES NOMINAL
BODY LENGTH: (ADAQ) 0.312 INCHES NOMINAL
BODY STYLE: (AAQL) RECTANGULAR W/POINTER ADJUSTMENT
BODY WIDTH: (ADAT) 0.500 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN CENTER TERMINAL AND OUTSIDE TERMINAL: (CQCM) 0.100 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS: (AEHT) 0.200 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINAL ROWS: (AYQR) 0.100 INCHES NOMINAL
MAXIMUM RUNNING TORQUE: (AEFL) 7.50 INCH-OUNCES
MAXIMUM STARTING TORQUE: (AEFK) 7.50 INCH-OUNCES
MOUNTING METHOD: (AXGY) TERMINAL
POWER DISSIPATION RATING PER SECTION IN WATTS: (CRGD) 1.0 FREE AIR SINGLE SECTION
PRECIOUS MATERIAL: (PRMT) GOLD
PRECIOUS MATERIAL AND LOCATION: (PMLC) TERMINAL SURFACES GOLD
RELIABILITY INDICATOR: (AARG) NOT ESTABLISHED
RESISTANCE TOLERANCE PER SECTION IN PERCENT: (CRSS) -5.0 TO 5.0 SINGLE SECTION
ROTARY ACTUATOR TRAVEL IN ANGULAR DEG: (CQCK) 320.0 NOMINAL
SECTION QUANTITY: (AAPN) 1
SPECIAL FEATURES: (FEAT) PIN DIAMETER .020 IN.
TEMP COEFFICIENT OF RESISTANCE PER SECTION IN PPM PER DEG CELSIUS: (CRFJ) -50.0 TO 50.0 SINGLE SECTION
TERMINAL LENGTH: (ABJT) 0.500 INCHES NOMINAL
TERMINAL TYPE AND QUANTITY: (TTQY) 3 PIN
UNABLE TO DECODE: (APXH) UNABLE TO DECODE
TEMP COEFFICIENT OF RESISTANCE PER SECTION IN PPM PER DEG CELSIUS: (CRFJ) -50.0/+50.0 SINGLE SECTION