Model: 21550-3-5-1

Thermostatic Switch

Properties:

Thread Length
0.710 inches single threaded bushing
Hazardous Locations/environmental Protection
Leaktight
Overall Length
2.593 inches
Body Diameter
0.665 inches
Body Length
Between 1.380 inches and 1.620 inches
Tempurature Sensing Element Type
Bulb
Width Across Flats
Between 0.990 inches and 1.010 inches
Mounting Method
Threaded bushing
Features Provided
Hermetically sealed case
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, double break, momentary action
Terminal Type
Connector, receptacle
Contact Load Current Rating
1.0 amperes resistive load single voltage
Contact Adjustability
Deactuation point not adjustable and actuation point not adjustable
Contact Stimulus Rating
28.00 actuation point degrees fahrenheit and 36.00 actuation point degrees fahrenheit and 2.00 differential point degrees fahrenheit and 5.00 differential point degrees fahrenheit
Contact Voltage Rating In Volts
28.0 dc at sea level single voltage
Media For Which Designed
Liquid
Style Designator
Cylindrical w/flange
Thread Series Designator
Npt single threaded bushing
NSN
5930-00-168-9185
Part Number
21550-3-5-1
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 21550-3-5-1 NSN 5930-00-168-9185

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:
0.1000lbs
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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