Model: 21542-8-9-1

Thermostatic Switch

Properties:

Body Diameter
0.665 inches
Body Length
Between 3.970 inches and 4.030 inches
Width Across Flats
Between 0.990 inches and 1.010 inches
Contact Action Stimulus
Increase
Contact Load Current Rating
5.0 amperes resistive load single voltage
Contact Adjustability
Deactuation point not adjustable and actuation point not adjustable
Contact Stimulus Rating
20.00 differential point degrees fahrenheit and 55.00 actuation point degrees fahrenheit and 35.00 deactuation point degrees fahrenheit
Contact Voltage Rating In Volts
30.0 dc at sea level single voltage
Media For Which Designed
Gas or liquid
Style Designator
Cylindrical w/flange
NSN
5930-00-920-4738
Part Number
21542-8-9-1
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 21542-8-9-1 NSN 5930-00-920-4738

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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