NATO Stock Number
4540-00-139-4428
Sold in multiples of
* special requirements. EA
DEMIL
NO
Mounting Method Style
Flange type mounting facility
Body Style
Flange, type
Terminal Quantity
18
Hole Diameter
0.812 inches
Overall Length
23.500 inches
Effective Heating Length
14.000 inches
Element Radiation Specificationtrum
Noninfrared
Element Connection Style
Stud type
Terminal Length
2.187 inches
Terminal Box Environmental Protection
Moisture resistant
Bolt Circle Diameter
8.500 inches
Flange Diameter
10.000 inches
Hole Or Slot Quantity
8
Flange Thickness
0.937 inches
Heat Quantity
1
Watt Density Rating
15.5 per square inch single voltage
Conduit Opening Size
1.000 inches
Length
18.000 inches
Maximum Wattage Rating In Watts
6000.0 single voltage
Element Quantity
9
Thread Size
0.250 inches stud
Thread Quantity
28.0 per inch stud
Voltage In Volts And Current Type
440.0 ac single voltage
Phase
Single single voltage
Frequency In Hertz
60.0
Material
Magnesium oxide resistance wire embedding/support insulation
Material
Nickel alloy d resistance wire
Material
Stainless steel sheath
Special Test Features
Eachhermetically sealed heating element shall pass an external hydrostatic pressure test of 50 psi applied for 30 min.
Thread Series Designator
Unf stud
Nondefinitive Specification/std Data
3 type
Departure From Cited Document
As modified by special hydrostatic pressure test
