NSN 5905-01-298-5909, 5905012985909
Cancelled -> Replaced by 5905010938433

Federal Supply Classification: FSC 5905 - Resistors
National Item Identification Number: NIIN 012985909
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 5905-01-298-5909

National Stock Number (NSN) 5905-01-298-5909, or NIIN 012985909, (resistor,variable,nonwire wound,) was assigned April 19, 1989 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5905010938433.

There are no manufacturer part numbers associated to this NSN.

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

This NSN is unique to one weapons system.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 01, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is controlled by QPL procedures. Valid AMCs: 1 and 2.

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 5905012985909 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 Jun 01, 2025.

Technical Characteristics

TERMINAL LOCATION: (APXH) LOWER ADJACENT SIDE TWO ROWS
STANDARD TAPER CURVE PER SECTION: (CSDL) A SINGLE SECTION
III CUBIC MEASURE: (CBME) 0.075 CUBIC INCHES
POWER DISSIPATION RATING PER SECTION IN WATTS: (CRGD) 0.75 7TH SECONDARY QUALITY
ELECTRICAL RESISTANCE PER SECTION: (CQCC) 200.0 OHMS SINGLE SECTION
ACTUATOR TYPE: (AEFD) SINGLE SHAFT
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER: (CSDH) 85.0 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) 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM
BODY STYLE: (AAQL) RECTANGULAR W/MOUNTING HOLES/SLOTS
BODY WIDTH: (ADAT) 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN CENTER TERMINAL AND OUTSIDE TERMINAL: (CQCM) 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS: (AEHT) 0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINAL ROWS: (AYQR) 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM
CUBIC MEASURE: (CBME) 0.075 CUBIC INCHES
LATERAL DISTANCE BETWEEN MOUNTING HOLE CENTERS: (AGTP) 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM
MOUNTING FACILITY QUANTITY: (AKPV) 2
MOUNTING HOLE DIAMETER: (ABTB) 0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM
MOUNTING METHOD: (AXGY) UNTHREADED HOLE
POWER DISSIPATION RATING PER SECTION IN WATTS: (CRGD) 0.75 FREE AIR SINGLE SECTION
RELIABILITY FAILURE RATE LEVEL IN PERCENT: (AARH) 0.010
RELIABILITY INDICATOR: (AARG) ESTABLISHED
RESISTANCE TOLERANCE PER SECTION IN PERCENT: (CRSS) -10.0 TO 10.0 SINGLE SECTION
SECTION QUANTITY: (AAPN) 1
SHAFT DIAMETER: (ABWV) 0.100 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
SHAFT LENGTH: (ABXF) 0.036 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
SHAFT STYLE: (AEDX) ROUND, SLOTTED
SPECIFICATION/STANDARD DATA: (ZZZK) 81349-MIL-R-39035/1 GOVERNMENT SPECIFICATION
TERMINAL LENGTH: (ABJT) 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM
TERMINAL LOCATION: (CQTM) LOWER ADJACENT SIDE TWO ROWS
TERMINAL TYPE AND QUANTITY: (TTQY) 3 PIN
TEST DATA DOCUMENT: (TEST) 81349-MIL-R-39035 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", "NOMINAL", ETC.).
ELECTRICAL RESISTANCE PER SECTION: (CQCC) 200.0 OHMS C AND BETTER FLOORING
RESISTANCE TOLERANCE PER SECTION IN PERCENT: (CRSS) -10.0/+10.0 SINGLE SECTION
UNABLE TO DECODE: (APXH) UNABLE TO DECODE
CENTER TO CENTER DISTANCE BETWEEN CENTER TERMINAL AND OUTSIDE TERMINAL: (CQCM) 0.290 NOMINAL MILS AND 0.310 NOMINAL CENTIMETERS
MOUNTING HOLE DIAMETER: (ABTB) 0.088 NOMINAL MILS AND 0.098 NOMINAL CENTIMETERS
UNABLE TO DECODE: (CSDL) UNABLE TO DECODE