Model: 4-957-1

Pressure Switch

Properties:

Pressure Switch Type
Differential
Operating Tempurature Rating
5000.0 degrees celsius
Mounting Method
Flush
Contact Action Stimulus
Increase
Nonpile-up Contact Arrangement
1 pole, single throw, normally open, momentary action
Terminal Type
Tab, solder lug
Contact Load Current Rating
15.0 amperes resistive load single voltage
Contact Adjustability
Deactuation point adjustable and actuation point adjustable
Contact Voltage Rating In Volts
115.0 ac at sea level single voltage
Media For Which Designed
Liquid
NSN
5930-00-903-9016
Part Number
4-957-1
Description
Switch,pressure
CAGE
86768

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 4-957-1 NSN 5930-00-903-9016

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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