Model: 21546-2-56-1

Thermostatic Switch

Special Features:

Weapon system essential

Properties:

Thread Class
2a single threaded bushing
Hazardous Locations/environmental Protection
Moisture proof
Overall Length
2.595 inches
Body Diameter
0.665 inches
Body Length
1.500 inches
End Application
Weapon system-missile, patriot
Tempurature Sensing Element Type
Bulb
Width Across Flats
1.000 inches
Operating Tempurature Rating
Between -50.0 degrees fahrenheit and 160.0 degrees fahrenheit
Mounting Method
Threaded bushing
Features Provided
Electrical box connector
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
Criticality Code Justification
Feat
Terminal Type
Connector, receptacle
Contact Load Current Rating
2.0 amperes resistive load first voltage and 1.0 amperes inductive load first voltage and 500.0 milliamperes lamp load first voltage
Contact Load Current Rating
5.0 amperes resistive load second voltage and 2.5 amperes inductive load second voltage and 1.0 amperes lamp load second voltage
Contact Adjustability
Deactuation point not adjustable and actuation point not adjustable
Contact Stimulus Rating
40.00 actuation point degrees fahrenheit and 35.00 deactuation point degrees fahrenheit and 38.00 deactuation point degrees fahrenheit and 2.00 differential point degrees fahrenheit and 5.00 differential point degrees fahrenheit
Contact Voltage Rating In Volts
115.0 ac at sea level first voltage
Contact Voltage Rating In Volts
28.0 dc at sea level second voltage
Frequency In Hertz
60.0 first voltage
Media For Which Designed
Liquid
Style Designator
Cylindrical w/flange
Thread Series Designator
Unf single threaded bushing
NSN
5930-01-098-0753
Part Number
21546-2-56-1
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 21546-2-56-1 NSN 5930-01-098-0753

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:
Y

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.2000lbs
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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