4520-00-079-1782 HEATING ELEMENT,ELECTRICAL,NONIM Index 4520-00-079-1786 HEATING ELEMENT,ELECTRICAL,NONIM

National Stock Number:
4520-00-079-1785

Federal Supply Class:
4520

National Item Identification Number:
000791785

Description:
HEATING ELEMENT,ELECTRICAL,NONIM

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:
HSP31-365586CHROMALOX INC
MIL-H-2257781349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BODY STYLESINGLE HEAT RING
OUTSIDE DIAMETER3.250 INCHES NOMINAL
TERMINAL ARRANGEMENT STYLETHREE AT ONE END - FOR THREE HEAT
ELEMENT RADIATION SPECTRUMNONINFRARED
MATERIALCHROMIUM AND
NICKEL RESISTANCE WIRE
MAGNESIUM OXIDE RESISTANCE WIRE EMBEDDING/SUPPORT INSULATION
IRON RUST RESISTING SHEATH
VOLTAGE IN VOLTS AND CURRENT TYPE120.0 AC SINGLE VOLTAGE
FREQUENCY IN HERTZ50.0 AND
60.0
PHASETHREE SINGLE VOLTAGE
MAXIMUM WATTAGE RATING IN WATTS400.0 SINGLE VOLTAGE
WATT DENSITY RATING24.0 PER SQUARE INCH SINGLE VOLTAGE
ELEMENT QUANTITY3
HEAT QUANTITY1
ELEMENT CONNECTION STYLESTUD TYPE
TERMINAL QUANTITY3
TERMINAL LENGTH0.437 INCHES NOMINAL
MOUNTING METHOD STYLESLOT OR HOLE TYPE MOUNTING FACILITY
HOLE DIAMETER0.203 INCHES NOMINAL
HOLE OR SLOT QUANTITY1
THREAD SERIES DESIGNATORUNF STUD
NOMINAL THREAD SIZE0.190 INCHES STUD
THREAD QUANTITY32.0 PER INCH STUD
NONDEFINITIVE SPEC/STD DATA2 TYPE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMIL-H-22577


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