Model: 271-1399-1

Pressure Switch

Properties:

Thread Class
3b all threaded hole
Overall Length
3.480 inches
Overall Height
2.500 inches
Overall Width
2.500 inches
Body Length
2.000 inches
Body Width
2.000 inches
Longest Horizontal Distance Between Mounting Centers
1.500 inches
Longest Vertical Distance Between Mounting Centers
1.500 inches
Pressure Switch Type
Gage
Operating Tempurature Rating
Between 32.0 degrees fahrenheit and 122.0 degrees fahrenheit
Mounting Method
Bracket and threaded hole
Features Provided
Electrical access port
Thready Qty Per Inch (tpi)
27 single pressure connection
Thready Qty Per Inch (tpi)
32 all threaded hole
Contact Action Stimulus
Decrease
Proof Pressure
34.00 pounds per square inch gage
Thread Size
0.125 inches single pressure connection
Thread Size
0.138 inches all threaded hole
Mounting Facility Pattern
Four position rectangular
Nonpile-up Contact Arrangement
1 pole, single throw, normally closed, momentary action
Terminal Type
Connector, receptacle
Contact Load Current Rating
15.0 amperes resistive load first voltage
Contact Load Current Rating
10.0 amperes resistive load second voltage
Contact Adjustability
Deactuation point not adjustable and actuation point not adjustable
Contact Stimulus Rating
4.00 deactuation point pounds per square inch gage and 6.00 actuation point pounds per square inch gage and 2.00 differential point pounds per square inch gage
Contact Voltage Rating In Volts
115.0 ac at sea level first voltage
Contact Voltage Rating In Volts
28.0 dc at sea level second voltage
Pressure Connector Type
Plain, threaded internal single connection
Media For Which Designed
Gas
Style Designator
Rectangular w/bracket
Thread Series Designator
Npt single pressure connection
Thread Series Designator
Unc all threaded hole
NSN
5930-00-655-1759
Part Number
271-1399-1
Description
Switch,pressure
CAGE
3B150

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 271-1399-1 NSN 5930-00-655-1759

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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