Model: 721856-55

Thermostatic Switch

Properties:

Overall Length
1.423 inches
Overall Height
0.300 inches
Body Diameter
0.660 centimeters
Mounting Slot Width
Between 0.104 inches and 0.109 inches
Distance Between Mounting Facility Centers
Between 0.930 inches and 0.944 inches
Tempurature Sensing Element Type
Internal sensor
Operating Tempurature Rating
Between -65.0 degrees fahrenheit and 450.0 degrees fahrenheit
Mounting Method
Bracket and slot
Features Provided
Hermetically sealed case
Contact Action Stimulus
Increase
Mounting Facility Pattern
Two position in-line
Nonpile-up Contact Arrangement
1 pole, single throw, normally closed, momentary action
Terminal Type
Tab, solder lug
Contact Load Current Rating
2.0 amperes resistive load first voltage
Contact Load Current Rating
2.0 amperes resistive load second voltage
Contact Adjustability
Actuation point not adjustable
Contact Stimulus Rating
143.00 actuation point degrees fahrenheit and 149.00 actuation point degrees fahrenheit
Contact Voltage Rating In Volts
120.0 ac at sea level first voltage
Contact Voltage Rating In Volts
30.0 dc at sea level second voltage
Frequency In Hertz
60.0 first voltage
Media For Which Designed
Gas or liquid
Precious Material And Location
Contacts silver
Precious Material
Silver
Style Designator
Disc
NSN
5930-00-491-4340
Part Number
721856-55
Description
Switch,thermostatic
CAGE
05869

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 721856-55 NSN 5930-00-491-4340

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:
0.1000lbs
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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