NSN 5905-00-622-2157, 5905006222157
RESISTOR,VARIABLE,WIRE WOUND,PRE

Federal Supply Classification: FSC 5905 - Resistors
National Item Identification Number: NIIN 006222157
Codification Country: United States
Item Name Code: INC 37408
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 5905-00-622-2157

National Stock Number (NSN) 5905-00-622-2157, or NIIN 006222157, (resistor,variable,wire wound,pre) 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 3 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 3 suppliers. Today, 3 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) 37408. [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, 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, NONPRECISION.]. 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 5905006222157 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

ELECTRICAL RESISTANCE PER SECTION: (CQCC) 15.300 PERCENT, RATED AMPERES C AND BETTER FINISH
RESISTANCE TOLERANCE PER SECTION IN PERCENT: (CRSS) -1.0/+1.0 3RD SECTION
EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION: (AEFH) 350.0 NOMINAL
ELECTRICAL RESISTANCE PER SECTION: (CQCC) 15.300 KILOHMS 1ST SECTION AND 5.555 KILOHMS 2ND SECTION AND 5.000 KILOHMS 3RD SECTION
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 ALL SECTIONS
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER: (CQGN) 85.0 ALL SECTIONS
BODY DIAMETER: (ABPM) 0.883 INCHES MAXIMUM
BODY LENGTH: (ADAQ) 1.830 INCHES MAXIMUM
BODY STYLE: (AAQL) CYLINDRICAL SERVO MOUNTED
FUNCTION CHARACTERISTIC PER SECTION: (CSBX) ALL SECTIONS LINEAR
FUNCTION CONFORMITY PER SECTION: (CRGM) ALL SECTIONS ABSOLUTE CONFORMITY
FUNCTION CONFORMITY TOLERANCE PER SECTION: (CQFL) -0.30 TO 0.30 1ST SECTION AND -0.50 TO 0.50 2ND SECTION AND -0.50 TO 0.50 3RD SECTION
MOUNTING LIP DEPTH: (AEDA) 0.0650 INCHES NOMINAL
MOUNTING LIP DIAMETER: (AECZ) 1.8300 INCHES MAXIMUM
MOUNTING METHOD: (AXGY) CLAMP RING
PILOT LENGTH: (AAVM) 0.0650 INCHES NOMINAL
PILOT DIAMETER: (AAVL) 0.7497 INCHES NOMINAL
POWER DISSIPATION RATING PER SECTION IN WATTS: (CRGD) 1.0 FREE AIR ALL SECTIONS
RELIABILITY INDICATOR: (AARG) NOT ESTABLISHED
RESISTANCE TOLERANCE PER SECTION IN PERCENT: (CRSS) -4.0 TO 4.0 1ST SECTION AND -2.0 TO 2.0 2ND SECTION AND -1.0 TO 1.0 3RD SECTION
ROTARY ACTUATOR TRAVEL IN ANGULAR DEG: (CQCK) 340.0 NOMINAL
SECTION QUANTITY: (AAPN) 3
SHAFT DIAMETER: (ABWV) 0.125 INCHES NOMINAL
SHAFT RADIAL PLAY: (AEGC) 0.001 INCHES
SHAFT LENGTH: (ABXF) 0.470 INCHES NOMINAL
SHAFT STYLE: (AEDX) ROUND, SLOTTED
TERMINAL LOCATION: (APXH) RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
TERMINAL TYPE AND QUANTITY: (TTQY) 9 TAB, SOLDER LUG
UNDERCUT DIAMETER: (ABPA) 0.875 INCHES NOMINAL
UNDERCUT WIDTH: (ABPC) 0.0650 INCHES NOMINAL
RESISTANCE TOLERANCE PER SECTION IN PERCENT: (CRSS) -2.0 TO 2.0 2ND SECTION
ELECTRICAL RESISTANCE PER SECTION: (CQCC) 5.555 KILOHMS 2ND SECTION
FUNCTION CONFORMITY TOLERANCE PER SECTION: (CQFL) -0.50/+0.50 2ND SECTION
FUNCTION CONFORMITY TOLERANCE PER SECTION: (CQFL) -0.30/+0.30 1ST SECTION
ELECTRICAL RESISTANCE PER SECTION: (CQCC) 5.000 PERCENT, RATED AMPERES C AND BETTER SELECT
FUNCTION CONFORMITY TOLERANCE PER SECTION: (CQFL) -0.50 TO 0.50 2ND SECTION
RESISTANCE TOLERANCE PER SECTION IN PERCENT: (CRSS) -2.0/+2.0 2ND SECTION
FUNCTION CONFORMITY TOLERANCE PER SECTION: (CQFL) -0.50/+0.50 3RD SECTION
RESISTANCE TOLERANCE PER SECTION IN PERCENT: (CRSS) -4.0/+4.0 1ST SECTION
ELECTRICAL RESISTANCE PER SECTION: (CQCC) 5.555 PERCENT, RATED AMPERES C AND BETTER INDUSTRIAL CLEARS