Model: 18423-0-638

Thermostatic Switch

Properties:

Hazardous Locations/environmental Protection
Vibration resistant
Overall Length
4.562 inches
Overall Height
1.437 inches
Overall Width
1.578 inches
Body Length
3.562 inches
Unthreaded Mounting Hole Diameter
0.221 inches
Longest Vertical Distance Between Mounting Centers
1.082 inches
Tempurature Sensing Element Type
Expanding shell
Mounting Facility Circle Radius
0.625 inches
Operating Tempurature Rating
Between -100.0 degrees fahrenheit and 650.0 degrees fahrenheit
Mounting Method
Flange and unthreaded hole
Contact Action Stimulus
Increase
Mounting Facility Pattern
Three position circular
Nonpile-up Contact Arrangement
1 pole, single throw, normally open, momentary action
Terminal Type
Tab w/screw
Contact Load Current Rating
2.0 amperes resistive load second voltage500.0 milliamperes resistive load third voltage
Contact Load Current Rating
5.0 amperes resistive load first voltage
Contact Adjustability
Actuation point adjustable, preset
Contact Adjustment Range
-100.00/+650.00 actuation point degrees fahrenheit
Contact Adjustment Type
External actuation point screw
Contact Stimulus Rating
638.00 actuation point degrees fahrenheit
Contact Voltage Rating In Volts
115.0 ac at sea level first voltage28.0 dc at sea level second voltage115.0 dc at sea level third voltage
Media For Which Designed
Gas or liquid
Style Designator
Rectangular
NSN
5930-00-296-7196
Part Number
18423-0-638
Description
Switch,thermostatic
CAGE

A switch that is actuated by changes in ambient temperature. Excludes circuit breaker; control, temperature (as modified); fuse (as modified); protector, thermal-overload, electrical motor; relay, thermal; and thermostat, flow control. See also control, temperature (as modified) and regulator, temperature (as modified).

Part 18423-0-638 NSN 5930-00-296-7196

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00451
FIIG:
A048B0
Concept No.:
1
App. Key:
F
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061300
UFC:
34410
LTL:
77.5
LCL:
77.5
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 9032100000
  • SITC: 87461
  • End Use: Measuring, testing, control instruments
  • NAICS: 334512
  • USDA: 1

Freight Class: Thermostats

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