Model: 21729-2

Thermostatic Switch

Properties:

Hazardous Locations/environmental Protection
Explosion proof
Overall Length
1.300 inches
Body Diameter
0.670 inches
Body Height
1.230 inches
Distance Between Mounting Facility Centers
1.080 inches
Tempurature Sensing Element Type
Internal sensor
Mounting Method
Bracket
Features Provided
Hermetically sealed case
Contact Action Stimulus
Decrease
Mounting Facility Pattern
Two position in-line
Nonpile-up Contact Arrangement
1 pole, single throw, both positions maintained
Terminal Type
Connector, receptacle
Contact Load Current Rating
0.5 amperes inductive load single voltage
Contact Adjustability
Deactuation point not adjustable and actuation point not adjustable
Contact Stimulus Rating
127.00 actuation point degrees fahrenheit and 135.00 deactuation point degrees fahrenheit
Contact Voltage Rating In Volts
28.0 dc at sea level single voltage
Media For Which Designed
Gas
Style Designator
Disc w/flange
NSN
5930-00-195-3241
Part Number
21729-2
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 21729-2 NSN 5930-00-195-3241

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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