Model: 21SN04-214

Pressure Switch

Special Features:

Supplied with 2 1.21 k ohm and 2 475 ohm resistors

Properties:

Thread Class
3b all threaded hole
Thread Length
0.093 inches all threaded hole
Overall Length
2.580 inches
Overall Height
3.810 inches
Overall Width
1.908 inches
Pressure Switch Type
Differential
Operating Tempurature Rating
Between -40.0 degrees celsius and 125.0 degrees celsius
Mounting Method
Threaded hole
Thready Qty Per Inch (tpi)
32 all threaded hole
Contact Action Stimulus
Decrease
Proof Pressure
180.00 pounds per square inch
Thread Size
0.190 inches all threaded hole
Nonpile-up Contact Arrangement
2 pole, double throw, one position momentary
Terminal Type
Connector, receptacle
Contact Load Current Rating
1.0 amperes resistive load single voltage and 500.0 milliamperes inductive load single voltage
Contact Stimulus Rating
5.50 differential point pounds per square inch and 10.00 differential point pounds per square inch
Contact Voltage Rating In Volts
28.0 dc at sea level single voltage
Media For Which Designed
Gas or liquid
Style Designator
Cylindrical w/lugs
Thread Series Designator
Unf all threaded hole
NSN
5930-01-159-5240
Part Number
21SN04-214
Description
Switch,pressure
CAGE
02750

A switch which is actuated by changes in pressure of any gas or liquid or by changes in a vacuum acting upon its sensing element. Excludes baroswitch; switch, pressure-thermostatic; and switch, sensitive.

Part 21SN04-214 NSN 5930-01-159-5240

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00206
FIIG:
A048B0
Concept No.:
1
App. Key:
D
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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061300
UFC:
34410
LTL:
77.5
LCL:
77.5
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8536509065
  • SITC: 77255
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

Freight Class: Switches, for a voltage not exceeding 1000 volts, nesoi

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