National Item Identification Number
00-421-8999
004218999
5999-00-421-8999
5999004218999
National Stock Number
Item Name
HEATER,THERMAL RELEASE
Federal Supply Class
5999
Description
A resistive element which dissipates sufficient heat to melt the fusible material or distort the bimetallic element of an overload protective device when the temperature, as a result of an overload in an electrical circuit, reaches a predetermined value. Excludes COIL (as modified); HEATING ELEMENT, ELECTRICAL; RESISTANCE ELEMENT; RESISTOR, THERMAL; THERMAL RELEASE, CIRCUIT BREAKER; and items with integral bimetallic element, contacts, or fusible material.
Commercial and Government Entity Code (Supplier Data)
89946
WESTINGHOUSE ELECTRIC CORP
LOW VOLTAGE BREAKER DIV
ONE TUSCARAWAS RD
BEAVER
PA
15009
724-775-2000
89946
WESTINGHOUSE ELECTRIC CORP
LOW VOLTAGE BREAKER DIV
ONE TUSCARAWAS RD
BEAVER
PA
15009
724-775-2000
30003
Reference Numbers (Part Numbers)
H26
503C553G26
68A75B384-2
Required Categories
MOUNTING FACILITY TYPE AND QUANTITY
MOUNTING HOLE DIAMETER
OVERALL LENGTH
OVE
Required Description
2 UNTHREADED HOLE
0.156 INCHES NOMINAL
1.873 INCHES NOMINAL
1.188 INCHES NOMI