Model: 21548-8-5-4

Thermostatic Switch

Properties:

Thread Class
2a single threaded bushing
Thread Length
0.500 inches single threaded bushing
Overall Length
4.370 inches
Body Diameter
0.665 inches
Body Length
4.000 inches
Tempurature Sensing Element Type
Internal sensor
Width Across Flats
1.000 inches
Mounting Method
Threaded bushing
Features Provided
Hermetically sealed case
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
Terminal Type
Wire lead
Contact Load Current Rating
2.0 amperes resistive load first voltage
Contact Load Current Rating
5.0 amperes resistive load second voltage
Contact Adjustability
Deactuation point not adjustable and actuation point not adjustable
Contact Stimulus Rating
260.00 actuation point degrees fahrenheit and 236.00 deactuation point degrees fahrenheit
Contact Voltage Rating In Volts
115.0 ac at sea level first voltage
Contact Voltage Rating In Volts
30.0 dc at sea level second voltage
Media For Which Designed
Gas or liquid
Style Designator
Cylindrical w/flange
Thread Series Designator
Unf single threaded bushing
NSN
5930-00-728-4385
Part Number
21548-8-5-4
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 21548-8-5-4 NSN 5930-00-728-4385

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:
--
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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