4520-01-025-3854 HEATING ELEMENT,ELECTRICAL,NONIM Index 4520-01-026-0866 HEATING ELEMENT,ELECTRICAL,NONIM

National Stock Number:
4520-01-025-4867

Federal Supply Class:
4520

National Item Identification Number:
010254867

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:
67-205A2-217032VALAD ELECTRIC HEATING CORP.
MIL-H-2257781349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
VDH-256B17032VALAD ELECTRIC HEATING CORP.
VDH-56B17032VALAD ELECTRIC HEATING CORP.


Techincal Specification:
BODY STYLESTRIP, FINNED
OVERALL LENGTH19.125 INCHES NOMINAL
WIDTH2.000 INCHES NOMINAL
LENGTH17.000 INCHES NOMINAL
TERMINAL ARRANGEMENT STYLEPARALLEL AT CENTER
ELEMENT RADIATION SPECTRUMNONINFRARED
MATERIALNICKEL ALLOY E RESISTANCE WIRE
STEEL CORROSION RESISTING SHEATH
VOLTAGE IN VOLTS AND CURRENT TYPE440.0 AC SINGLE VOLTAGE
PHASESINGLE SINGLE VOLTAGE
MAXIMUM WATTAGE RATING IN WATTS1800.0 SINGLE VOLTAGE
EFFECTIVE HEATING LENGTH17.500 INCHES NOMINAL
ELEMENT QUANTITY1
HEAT QUANTITY1
ELEMENT CONNECTION STYLESTUD TYPE
TERMINAL QUANTITY2
TERMINAL LENGTH0.750 INCHES NOMINAL
MOUNTING METHOD STYLEFLANGE TYPE MOUNTING FACILITY
HOLE DIAMETER0.151 INCHES NOMINAL
MOUNTING FACILITY LENGTH2.000 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH1.375 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH1.375 INCHES NOMINAL
MOUNTING FACILITY WIDTH2.000 INCHES NOMINAL
HOLE OR SLOT QUANTITY4
FLANGE THICKNESS0.109 INCHES NOMINAL
THREAD SERIES DESIGNATORUNC STUD
NOMINAL THREAD SIZE0.164 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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