Model: 21C1-3-42

Pressure Switch

Special Features:

Normal operating pressure 0 to 90psi; electrical 1 amp to 28 vdc

Properties:

Overall Length
3.300 inches
Body Length
2.300 inches
Overall Diameter
1.270 inches
Pressure Switch Type
Absolute
Width Across Flats
1.000 inches
Operating Tempurature Rating
Between 50.0 degrees fahrenheit and 266.0 degrees fahrenheit
Proof Pressure
270.000 pounds per square inch
Style Designator
Cylindrical
NSN
5930-01-530-8931
Part Number
21C1-3-42
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 21C1-3-42 NSN 5930-01-530-8931

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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