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NSN 5905-00-091-8957, 5905000918957
RESISTOR,VARIABLE,WIRE WOUND,NON

Federal Supply Classification
FSC 5905 - Resistors
National Item Identification Number
NIIN 000918957
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 5905-00-091-8957

National Stock Number (NSN) 5905-00-091-8957, or NIIN 000918957, (resistor,variable,wire wound,non) was assigned November 22, 1972 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 4 manufacturer part numbers associated with this NSN. One of those 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.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.

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 5905000918957 does not contain precious metals.

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 .


Technical Characteristics

III OVERALL DIAMETER
(ADAV) 3.000 INCHES NOMINAL
STANDARD TAPER CURVE PER SECTION
(CSDL) A SINGLE SECTION
III FRAGILITY FACTOR
(AFJN) MODERATELY RUGGED
BODY DIAMETER
(ABPM) 2.500 NOMINAL INCHES
III OVERALL LENGTH
(ABHP) 2.500 INCHES NOMINAL
ELECTRICAL RESISTANCE PER SECTION
(CQCC) 2.0 OHMS C AND BETTER FLOORING
UNABLE TO DECODE
(CSDL) UNABLE TO DECODE
POWER DISSIPATION RATING PER SECTION IN WATTS
(CRGD) 75.0 7TH SECONDARY QUALITY
EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION
(AEFH) 300.0 NOMINAL
ELECTRICAL RESISTANCE PER SECTION
(CQCC) 2.0 OHMS SINGLE SECTION
ACTUATOR TRAVEL CONTROL FEATURE
(CRSX) STOPS
ACTUATOR TYPE
(AEFD) SINGLE SHAFT
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER
(CSDH) 40.0 SINGLE SECTION
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER
(CQGN) 340.0 SINGLE SECTION
BODY DIAMETER
(ABPM) 2.500 INCHES NOMINAL
BODY LENGTH
(ADAQ) 1.500 INCHES NOMINAL
BODY STYLE
(AAQL) CYLINDRICAL BUSHING MOUNTED
FEATURES PROVIDED
(CBBL) HUMIDITY PROOF
FIRST FLAT LENGTH
(ABNB) 0.250 INCHES NOMINAL
FLAT HEIGHT
(ABNC) 0.219 INCHES NOMINAL
FRAGILITY FACTOR
(AFJN) MODERATELY RUGGED
OVERALL DIAMETER
(ADAV) 3.000 INCHES NOMINAL
OVERALL LENGTH
(ABHP) 2.500 INCHES NOMINAL
MOUNTING BUSHING LENGTH
(ADAP) 0.375 INCHES NOMINAL
MOUNTING METHOD
(AXGY) STANDARD BUSHING
NONTURN DEVICE LOCATION
(AEFN) AT 3 OCLOCK AND AT 6 OCLOCK AND AT 9 OCLOCK AND AT 12 OCLOCK
NONTURN DEVICE RADIUS
(AEFP) 0.500 INCHES NOMINAL
POWER DISSIPATION RATING PER SECTION IN WATTS
(CRGD) 75.0 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) 300.0 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) 1
SHAFT DIAMETER
(ABWV) 0.250 INCHES NOMINAL
SHAFT LENGTH
(ABXF) 1.000 INCHES NOMINAL
SHAFT STYLE
(AEDX) ROUND, FLATTED
TEMP COEFFICIENT OF RESISTANCE WIRE PER SECTION IN PPM PER DEG CELSIUS
(CSCY) -20.0 TO 20.0 SINGLE SECTION
TERMINAL LOCATION
(APXH) RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
TERMINAL TYPE AND QUANTITY
(TTQY) 3 TAB, SOLDER LUG
RESISTANCE TOLERANCE PER SECTION IN PERCENT
(CRSS) -10.0/+10.0 SINGLE SECTION
TEMP COEFFICIENT OF RESISTANCE WIRE PER SECTION IN PPM PER DEG CELSIUS
(CSCY) -20.0/+20.0 SINGLE SECTION

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