Model: 21153-0

Thermostatic Switch

Properties:

Thread Length
0.625 inches single threaded bushing
Overall Length
6.370 inches
Body Length
3.671 inches
Overall Diameter
3.530 inches
Bulb Length
2.660 inches
Bulb Diameter
Between 0.616 inches and 0.620 inches
Tempurature Sensing Element Type
Bulb
Width Across Flats
0.120 inches
Mounting Method
Threaded bushing
Features Provided
Electrical access port
Thready Qty Per Inch (tpi)
14 single threaded bushing
Contact Action Stimulus
Increase
Thread Size
0.500 inches single threaded bushing
Nonpile-up Contact Arrangement
1 pole, single throw, normally closed, momentary action
Terminal Type
Tab w/screw
Contact Load Current Rating
15.0 amperes resistive load first voltage
Contact Load Current Rating
15.0 amperes resistive load second voltage
Contact Adjustability
Deactuation point adjustable, preset and actuation point adjustable, preset
Contact Adjustment Range
+50.00/+300.00 actuation point degrees fahrenheit and +50.00/+300.00 deactuation point degrees fahrenheit
Contact Adjustment Type
Internal deactuation point screw and internal actuation point tongue
Contact Stimulus Rating
10.00 deactuation point degrees fahrenheit and 120.00 differential point degrees fahrenheit
Contact Voltage Rating In Volts
125.0 ac at sea level second voltage
Contact Voltage Rating In Volts
250.0 ac at sea level first voltage
Media For Which Designed
Gas
Style Designator
Cylindrical
Thread Series Designator
Nptr single threaded bushing
NSN
5930-00-538-4922
Part Number
21153-0
Description
Switch,thermostatic
CAGE
73168

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 21153-0 NSN 5930-00-538-4922

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
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:
723
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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