1-321-802-5889

NSN 5930-01-123-4361

Vacuum Switch

About this product

Dustproof and explosion proof hazardous locations/environmental protection, differential pressure switch type, between 32.0 degrees fahrenheit and 185.0 degrees fahrenheit operating tempurature rating, thready qty per inch (tpi): 18 all pressure connection.

Manufacturer part number M28788/1-1 for national stock number 5930011234361.

Datasheet

  • Product description

    Pressure Switch NSN 5930-01-123-4361.

  • MPN or Model

    M28788/1-1

  • Schedule B
    8536.50.9065 (Switches, for a voltage not exceeding 1000 volts, nesoi)
  • NMF (National Motor Freight)
    061300 - Circuit Breaker/switch NOI
  • Unit Weight (Est.)
    2.1 lb
  • Thread Class
    3b all pressure connection
  • Thread Length
    0.709 inches all pressure connection
  • Hazardous Locations/environmental Protection
    Dustproof and explosion proof
  • Overall Length
    Between 2.500 inches and 3.270 inches
  • Overall Height
    3.910 inches
  • Overall Width
    2.400 inches
  • Body Length
    Between 2.500 inches and 3.270 inches
  • Pressure Switch Type
    Differential
  • Operating Tempurature Rating
    Between 32.0 degrees fahrenheit and 185.0 degrees fahrenheit
  • Mounting Method
    Inlet connection and outlet connection
  • Features Provided
    Hermetically sealed case
  • Thready Qty Per Inch (tpi)
    18 all pressure connection
  • Contact Action Stimulus
    Increase
  • Proof Pressure
    150.00 pounds per square inch gage
  • Thread Size
    0.563 inches single pressure connection
  • Nonpile-up Contact Arrangement
    1 pole, double throw, one position momentary
  • Sensing Element Burst Pressure
    300.00 pounds per square inch gage
  • Terminal Type
    Connector, receptacle
  • Contact Load Current Rating
    3.0 amperes inductive load single voltage
  • Contact Adjustability
    Deactuation point not adjustable and actuation point not adjustable
  • Contact Stimulus Rating
    0.85 actuation point gallons per minute and 0.60 deactuation point gallons per minute and 0.25 differential point gallons per minute
  • Contact Voltage Rating In Volts
    28.0 dc at sea level single voltage
  • Pressure Connector Type
    Plain, threaded internal all connections
  • Media For Which Designed
    Liquid
  • Test Data Document
    81349-mil-s-28788 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
  • Thread Series Designator
    Unf all pressure connection
  • Specification Data
    81349-mil-s-28788/1 government specification
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Pressure Switch

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.

Mechanic Bill explains Vacuum Switch

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NSN 5930011234361

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
M28788/1-1 Military Specifications
MIL-S-28788/1 Military Specifications
158F26-1 Itt Corporation
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