Model: 21SN04-159D

Pressure Switch

Properties:

Overall Length
3.284 inches
Overall Height
2.400 inches
Overall Width
1.400 inches
Unthreaded Mounting Hole Diameter
0.265 inches
Distance Between Mounting Facility Centers
1.538 inches
Pressure Switch Type
Differential
Operating Tempurature Rating
Between -65.0 degrees fahrenheit and 302.0 degrees fahrenheit
Mounting Method
Bolt
Contact Action Stimulus
Decrease
Proof Pressure
380.00 pounds per square inch gage
Mounting Facility Pattern
Four position rectangular
Contact Load Current Rating
0.5 amperes inductive load single voltage
Media For Which Designed
Gas or liquid
Style Designator
Rectangular
NSN
5930-01-518-7663
Part Number
21SN04-159D
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 21SN04-159D NSN 5930-01-518-7663

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:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
X

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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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