Model: 157C

Pressure Switch

Properties:

Thread Class
3b all pressure connection
Hazardous Locations/environmental Protection
Dustproof
Overall Length
3.880 inches
Overall Height
1.990 inches
Overall Width
1.250 inches
Body Length
2.720 inches
Distance Between Mounting Facility Centers
0.880 inches
Pressure Switch Type
Differential
Operating Tempurature Rating
Between -65.0 degrees fahrenheit and 275.0 degrees fahrenheit
Mounting Method
Base
Features Provided
Automatic reset
Thready Qty Per Inch (tpi)
20 all pressure connection
Contact Action Stimulus
Increase
Proof Pressure
4500.00 pounds per square inch
Thread Size
0.4375 inches single pressure connection
Mounting Facility Pattern
Two position in-line
Nonpile-up Contact Arrangement
1 two circuit, double break/double make, permanent jumper with no external terminal, both positions maintained
Sensing Element Burst Pressure
1500.00 pounds per square inch
Terminal Type
Connector, receptacle
Contact Load Current Rating
5.0 amperes resistive load single voltage
Contact Adjustability
Actuation point not adjustable
Contact Stimulus Rating
1250.00 actuation point pounds per square inch and 150.00 differential point pound
Contact Voltage Rating In Volts
30.0 dc at sea level single voltage
Pressure Connector Type
Plain, threaded internal all connections
Media For Which Designed
Liquid
Style Designator
Rectangular
Thread Series Designator
Unf all pressure connection
NSN
5930-00-545-8960
Part Number
157C
Description
Switch,pressure
CAGE
6N016

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 157C NSN 5930-00-545-8960

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

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: 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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