5905-00-578-0289 RESISTOR,VARIABLE,NONWIRE WOUND, Index 5905-00-578-0294 RESISTOR,FIXED,WIRE WOUND

National Stock Number:
5905-00-578-0291

Federal Supply Class:
5905

National Item Identification Number:
005780291

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:
55-343518065SAMARIUS PRECISION INSTRUMENTS, INC.
RL270B219176SERVO INSTRUMENT CORPORATION
RL270B224017COGNITIVE RESOURCES INC DBA GAMEWELL CO THE
SM-C-12006780063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
SECTION QUANTITY4
ELECTRICAL RESISTANCE PER SECTION490.0 KILOHMS 1ST SECTION
29.218 KILOHMS 2ND SECTION
490.0 KILOHMS 3RD SECTION
490.0 KILOHMS 4TH SECTION
RESISTANCE TOLERANCE PER SECTION IN PERCENT-5.0 TO 5.0 1ST SECTION
-1.0 TO 1.0 2ND SECTION
-1.0 TO 1.0 3RD SECTION
-1.0 TO 1.0 4TH SECTION
FUNCTION CONFORMITY PER SECTIONALL SECTIONS INDEPENDENT LINEARITY
FUNCTION CHARACTERISTIC PER SECTIONALL SECTIONS LINEAR
FUNCTION CONFORMITY TOLERANCE PER SECTION-0.10 TO 0.10 1ST SECTION
-0.15 TO 0.15 2ND SECTION
-0.10 TO 0.10 3RD SECTION
-0.10 TO 0.10 4TH SECTION
TEMP COEFFICIENT OF RESISTANCE PER SECTION IN PPM PER DEG CELSIUS-20.0 TO 20.0 ALL SECTIONS
POWER DISSIPATION RATING PER SECTION IN WATTS3.0 FREE AIR SINGLE SECTION
FIXED TAP QUANTITY PER SECTION1 ALL SECTIONS
TAP LOCATION FROM CCW TERMINAL PER SECTION IN DEG OF EFFECTIVE ELECTRICAL ROTATION236.0 1ST SECTION
221.0 2ND SECTION
236.0 3RD SECTION
236.0 4TH SECTION
TAP LOCATION TOLERANCE PER SECTION-0.5 TO 0.5 DEG ANGULAR ROTATION ALL SECTIONS
BODY STYLECYLINDRICAL STUDS MOUNTED
BODY DIAMETER2.000 INCHES NOMINAL
BODY LENGTH1.750 INCHES NOMINAL
MOUNTING HOLE/STUD CIRCLE DIAMETER1.250 INCHES NOMINAL
ACTUATOR TYPEDOUBLE ENDED SHAFT
SHAFT STYLEROUND
SHAFT DIAMETER0.249 INCHES NOMINAL
SHAFT LENGTH0.750 INCHES NOMINAL
MOUNTING METHODTHREADED HOLE
MOUNTING FACILITY QUANTITY3
SCREW THREAD SERIES DESIGNATORUNC
SCREW THREAD DIAMETER0.164 INCHES NOMINAL
SCREW THREAD QUANTITY PER INCH32.0
TERMINAL TYPE AND QUANTITY16 SOLDER STUD
TERMINAL LOCATIONRADIALLY POSITIONED OVER MORE THAN HALF THE CIRCUMFERENCE
RELIABILITY INDICATORNOT ESTABLISHED


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