Model: 21546-4-67-2

Thermostatic Switch

Properties:

Thread Class
3a single threaded bushing
Thread Length
0.394 inches single threaded bushing
Body Diameter
0.675 inches
Body Length
Between 1.970 inches and 2.030 inches
Tempurature Sensing Element Type
Internal sensor
Width Across Flats
Between 0.990 inches and 1.010 inches
Mounting Method
Threaded bushing
Thready Qty Per Inch (tpi)
16 single threaded bushing
Contact Action Stimulus
Increase
Thread Size
0.750 inches single threaded bushing
Nonpile-up Contact Arrangement
1 pole, single throw, normally open, momentary action
Terminal Type
Connector, receptacle
Contact Load Current Rating
2.0 amperes resistive load first voltage
Contact Load Current Rating
2.0 amperes resistive load second voltage
Contact Adjustability
Actuation point not adjustable
Contact Stimulus Rating
40.00 actuation point degrees fahrenheit
Contact Voltage Rating In Volts
120.0 ac at sea level first voltage
Contact Voltage Rating In Volts
30.0 dc at sea level second voltage
Thread Series Designator
Unf single threaded bushing
NSN
5930-01-134-4934
Part Number
21546-4-67-2
Description
Switch,thermostatic
CAGE
82647

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 21546-4-67-2 NSN 5930-01-134-4934

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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