5998-01-388-2938 CIRCUIT CARD ASSEMBLY Index 5945-01-388-2940 RELAY ASSEMBLY

National Stock Number:
5905-01-388-2939

Federal Supply Class:
5905

National Item Identification Number:
013882939

Description:
RESISTOR,VARIABLE,WIRE WOUND,PRE

Detail:
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, etc., 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.


Manufacturer Information:
MIL-PRF-12934/2881349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-R-12934/2881349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
RR3700D2C7G50281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
ELECTRICAL RESISTANCE PER SECTION5.0 KILOHMS SINGLE SECTION
ACTUATOR TYPESINGLE SHAFT
BODY DIAMETER0.906 INCHES NOMINAL
BODY LENGTH1.076 INCHES MAXIMUM
BODY STYLECYLINDRICAL BUSHING MOUNTED
FEATURES PROVIDEDHUMIDITY PROOF
MOUNTING BUSHING LENGTH0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
MOUNTING METHODCLAMP RING(S) AND STANDARD BUSHING
POWER DISSIPATION RATING PER SECTION IN WATTS1.5 FREE AIR SINGLE SECTION
RELIABILITY INDICATORNOT ESTABLISHED
RESISTANCE TOLERANCE PER SECTION IN PERCENT-3.0 TO 3.0 SINGLE SECTION
SCREW THREAD SERIES DESIGNATORUNEF
SCREW THREAD DIAMETER0.250 INCHES NOMINAL
SCREW THREAD QUANTITY PER INCH32.0
SECTION QUANTITY1
SHAFT DIAMETER0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
SHAFT STYLEROUND, SLOTTED
SHAFT LENGTH0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA81349-MIL-R-12934/28 GOVERNMENT SPECIFICATION
TERMINAL LOCATIONRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
TERMINAL TYPE AND QUANTITY3 TAB, SOLDER LUG
TEST DATA DOCUMENT81349-MIL-R-12934 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.).


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