Model: 21542-3-49-6

Thermostatic Switch

Properties:

Thread Class
2a single threaded bushing
Thread Length
0.437 inches single threaded bushing
Overall Length
2.317 inches
Body Diameter
0.665 inches
Body Length
1.500 inches
Tempurature Sensing Element Type
Immersion well
Width Across Flats
1.000 inches
Operating Tempurature Rating
Between 11.0 degrees fahrenheit and 200.0 degrees fahrenheit
Mounting Method
Threaded bushing
Features Provided
Hermetically sealed case
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
3.0 amperes resistive load first voltage
Contact Load Current Rating
7.0 amperes resistive load second voltage
Contact Adjustability
Deactuation point not adjustable and actuation point not adjustable
Contact Stimulus Rating
150.00 actuation point degrees fahrenheit and 135.00 deactuation point degrees fahrenheit
Contact Voltage Rating In Volts
250.0 ac at sea level first voltage
Contact Voltage Rating In Volts
30.0 dc at sea level second voltage
Media For Which Designed
Gas or liquid
Precious Material And Location
Contacts silver
Precious Material
Silver
Style Designator
Cylindrical w/flange
Thread Series Designator
Unf single threaded bushing
NSN
5930-01-167-3407
Part Number
21542-3-49-6
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 21542-3-49-6 NSN 5930-01-167-3407

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:
S
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.4000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061300
UFC:
34410
LTL:
77.5
LCL:
--
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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