4540-00-079-1779 HEATING ELEMENT,ELECTRICAL,NONIMMERSION TYPE Index 4540-00-079-1781 HEATING ELEMENT,ELECTRICAL,NONIMMERSION TYPE

National Stock Number:
4540-00-079-1780

Federal Supply Class:
4540

National Item Identification Number:
000791780

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:
A40-365586CHROMALOX INC
MILH2257781349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
MAXIMUM WATTAGE RATING IN WATTS660.0 2ND VOLTAGE OR 750.0 2ND VOLTAGE
PHASETHREE 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 RATING12.0 PER SQUARE INCH 1ST VOLTAGE
WATT DENSITY RATING18.0 PER SQUARE INCH 3RD VOLTAGE
WATT DENSITY RATING16.0 PER SQUARE INCH 2ND VOLTAGE
TERMINAL ARRANGEMENT STYLEIN LINE (TANDEM) AT ONE END
TERMINAL LENGTH0.531 INCHES NOMINAL
TERMINAL QUANTITY3
ELEMENT CONNECTION STYLESTUD TYPE
ELEMENT QUANTITY3
ELEMENT RADIATION SPECTRUMNONINFRARED
BODY STYLESINGLE HEAT RING
FREQUENCY IN HERTZ50.0 AND 60.0
HEAT QUANTITY3
NOMINAL THREAD SIZE0.190 INCHES STUD
OUTSIDE DIAMETER5.437 INCHES NOMINAL
MATERIALCHROMIUM RESISTANCE WIRE AND NICKEL RESISTANCE WIRE
MATERIALCHROMIUM SHEATH AND STEEL SHEATH
MATERIALMAGNESIUM OXIDE RESISTANCE WIRE EMBEDDING/SUPPORT INSULATION
MAXIMUM WATTAGE RATING IN WATTS500.0 1ST VOLTAGE


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