Model: 21S4

Thermostatic Switch

Special Features:

Two 0.147 in. Diameter mtg holesspaced 0.875 in. C to c

Properties:

Overall Length
1.125 inches
Overall Height
0.305 inches
Overall Width
0.660 inches
Tempurature Sensing Element Type
Internal sensor
Mounting Method
Bracket
Contact Action Stimulus
Increase
Nonpile-up Contact Arrangement
1 pole, single throw, normally open, momentary action
Terminal Type
Tab, solder lug
Contact Load Current Rating
1.0 amperes resistive load single voltage
Contact Adjustability
Actuation point not adjustable
Contact Stimulus Rating
158.00 actuation point degrees fahrenheit and 138.00 deactuation point degrees fahrenheit
Contact Voltage Rating In Volts
125.0 ac at sea level single voltage
NSN
5930-00-998-4246
Part Number
21S4
Description
Switch,thermostatic
CAGE
99872

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 21S4 NSN 5930-00-998-4246

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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