NSN 5905-00-552-4438, 5905005524438
RESISTOR,VARIABLE,WIRE WOUND,NON

Federal Supply Classification: FSC 5905 - Resistors
National Item Identification Number: NIIN 005524438
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 5905-00-552-4438

National Stock Number (NSN) 5905-00-552-4438, or NIIN 005524438, (resistor,variable,wire wound,non) was assigned January 1, 1963 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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that 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 5905005524438 contains an unknown precious metal.

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 Jul 01, 2025.

Technical Characteristics

EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION: (AEFH) 180.0 NOMINAL AND 120.0 NOMINAL
ACTUATOR TRAVEL CONTROL FEATURE: (CRSX) STOPS
ACTUATOR TYPE: (AEFD) SINGLE SHAFT
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER: (CSDH) 25.0 SINGLE SECTION
BODY DIAMETER: (ABPM) 1.780 INCHES MAXIMUM
BODY LENGTH: (ADAQ) 1.310 INCHES MAXIMUM
BODY STYLE: (AAQL) CYLINDRICAL BUSHING MOUNTED
FEATURES PROVIDED: (CBBL) NONMETALLIC SHAFT
FIXED TAP QUANTITY PER SECTION: (CRJS) 1 ALL SECTIONS
FUNCTION CHARACTERISTIC PER SECTION: (CSBX) SINGLE SECTION LINEAR
FUNCTION CONFORMITY PER SECTION: (CRGM) SINGLE SECTION INDEPENDENT LINEARITY
FUNCTION CONFORMITY TOLERANCE PER SECTION: (CQFL) -1.00 TO 1.00 SINGLE SECTION
OVERALL DIAMETER: (ADAV) 1.465 INCHES MAXIMUM
OVERALL LENGTH: (ABHP) 2.660 INCHES NOMINAL
MAXIMUM RUNNING TORQUE: (AEFL) 18.00 INCH-OUNCES
MOUNTING METHOD: (AXGY) STANDARD BUSHING
NONTURN DEVICE LOCATION: (AEFN) AT 9 OCLOCK
NONTURN DEVICE RADIUS: (AEFP) 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
POWER DISSIPATION RATING PER SECTION IN WATTS: (CRGD) 2.0 FREE AIR SINGLE SECTION
RELIABILITY INDICATOR: (AARG) NOT ESTABLISHED
ROTARY ACTUATOR TRAVEL IN ANGULAR DEG: (CQCK) 190.0 NOMINAL
SCREW THREAD DIAMETER: (AJYN) 0.375 INCHES NOMINAL
SCREW THREAD QUANTITY PER INCH: (AJYQ) 32.0
SCREW THREAD SERIES DESIGNATOR: (AJYP) UNEF
SECTION QUANTITY: (AAPN) 3
SHAFT DIAMETER: (ABWV) 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
SHAFT LENGTH: (ABXF) 0.880 INCHES NOMINAL
SHAFT STYLE: (AEDX) ROUND
SPECIAL FEATURES: (FEAT) 0.380 IN. LG BUSHING
TAP LOCATION FROM CCW TERMINAL PER SECTION IN OHMS: (CSBW) 500.0 1ST SECTION
TERMINAL LOCATION: (APXH) RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
TERMINAL LENGTH: (ABJT) 0.155 INCHES NOMINAL
TERMINAL TYPE AND QUANTITY: (TTQY) 10 SOLDER STUD
ELECTRICAL RESISTANCE PER SECTION: (CQCC) 20.000 KILOHMS 2ND SECTION
ELECTRICAL RESISTANCE PER SECTION: (CQCC) 3.000 KILOHMS 3RD SECTION
EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION: (AEFH) 180.0 NOMINAL AND 180.0 NOMINAL AND 120.0 NOMINAL
ELECTRICAL RESISTANCE PER SECTION: (CQCC) 1.000 PERCENT, RATED AMPERES C AND BETTER FINISH
RESISTANCE TOLERANCE PER SECTION IN PERCENT: (CRSS) -5.0/+5.0 1ST SECTION
ELECTRICAL RESISTANCE PER SECTION: (CQCC) 3.000 PERCENT, RATED AMPERES C AND BETTER SELECT
RESISTANCE TOLERANCE PER SECTION IN PERCENT: (CRSS) -5.0 TO 5.0 3RD SECTION
FUNCTION CONFORMITY TOLERANCE PER SECTION: (CQFL) -1.00/+1.00 SINGLE SECTION
ELECTRICAL RESISTANCE PER SECTION: (CQCC) 1.000 KILOHMS 1ST SECTION
RESISTANCE TOLERANCE PER SECTION IN PERCENT: (CRSS) -5.0/+5.0 3RD SECTION
MOUNTING BUSHING LENGTH: (ADAP) ANY ACCEPTABLE
ELECTRICAL RESISTANCE PER SECTION: (CQCC) 20.000 PERCENT, RATED AMPERES C AND BETTER INDUSTRIAL CLEARS
RESISTANCE TOLERANCE PER SECTION IN PERCENT: (CRSS) -5.0 TO 5.0 1ST SECTION
RESISTANCE TOLERANCE PER SECTION IN PERCENT: (CRSS) -5.0/+5.0 2ND SECTION
RESISTANCE TOLERANCE PER SECTION IN PERCENT: (CRSS) -5.0 TO 5.0 2ND SECTION