4540-00-079-1788 HEATING ELEMENT,ELECTRICAL,NONIMMERSION TYPE Index 4540-00-079-1790 HEATING ELEMENT,ELECTRICAL,NONIMMERSION TYPE

National Stock Number:
4540-00-079-1789

Federal Supply Class:
4540

National Item Identification Number:
000791789

Description:
HEATING ELEMENT,ELECTRICAL,NONIMMERSION TYPE

Detail:
An electrical device in the form of a resistor consisting of a resistance wire, an insulating material, and may be sheathed. Includes infrared elements. It is designed to transform electrical current into heat. It may include an automatic control to regulate the amount of heat generated.


Manufacturer Information:
MIL-H-2257781349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SE337565586CHROMALOX INC


Techincal Specification:
WIDTH1.500 INCHES NOMINAL
TERMINAL ARRANGEMENT STYLEIN LINE (TANDEM) AT ONE END
TERMINAL LENGTH0.562 INCHES NOMINAL
TERMINAL QUANTITY2
ELEMENT CONNECTION STYLESTUD TYPE
ELEMENT QUANTITY1
ELEMENT RADIATION SPECTRUMNONINFRARED
BODY STYLESTRIP ELEMENT
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH32.500 INCHES NOMINAL
FREQUENCY IN HERTZ50.0 AND 60.0
HEAT QUANTITY1
HOLE OR SLOT QUANTITY2
NOMINAL THREAD SIZE0.190 INCHES STUD
NONDEFINITIVE SPEC/STD DATA2 TYPE
OVERALL LENGTH33.500 INCHES NOMINAL
LENGTH31.000 INCHES NOMINAL
MATERIALCHROMIUM RESISTANCE WIRE AND NICKEL RESISTANCE WIRE
MATERIALIRON RUST RESISTING SHEATH
MATERIALMAGNESIUM OXIDE RESISTANCE WIRE EMBEDDING/SUPPORT INSULATION
MAXIMUM WATTAGE RATING IN WATTS750.0 SINGLE VOLTAGE
MOUNTING FACILITY LENGTH0.500 INCHES NOMINAL
MOUNTING FACILITY WIDTH0.312 INCHES NOMINAL
MOUNTING METHOD STYLESLOT OR HOLE TYPE MOUNTING FACILITY
PHASESINGLE SINGLE VOLTAGE
THREAD QUANTITY32.0 PER INCH STUD
THREAD SERIES DESIGNATORUNF STUD
VOLTAGE IN VOLTS AND CURRENT TYPE240.0 AC 2ND VOLTAGE
VOLTAGE IN VOLTS AND CURRENT TYPE120.0 AC 1ST VOLTAGE
WATT DENSITY RATING7.0 PER SQUARE INCH SINGLE VOLTAGE


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