NSN: 5930-01-116-5520

Technical Characteristics

• Contact Adjustment Range

  210.00 to 2910.00 deactuation point inches of mercury

• Contact Adjustment Type

  internal actuation point pointer with scale and

• Contact Adjustment Type

  internal deactuation point pointer with scale

• Contact Voltage Rating In Volts

  115.0 ac at sea level second voltage

• Contact Voltage Rating In Volts

  115.0 dc at sea level fourth voltage

• Contact Voltage Rating In Volts

  550.0 ac at sea level first voltage

• Contact Voltage Rating In Volts

  550.0 dc at sea level third voltage

• Pressure Connector Type

  flare, threaded internal single connection

• Media For Which Designed

  gas or

• Thread Class

  2b single pressure connection

• Iii Hazardous Locations/Environmental Protection

  dustproof and

• Iii Hazardous Locations/Environmental Protection

  watertight

• Overall Height

  10.812 inches nominal

• Shortest Horizontal Distance Between Mounting Centers

  1.500 inches nominal

• Pressure Switch Type

  gage

• Mounting Method

  bracket and

• Mounting Method

  unthreaded hole

• Proof Pressure

  3600.00 inches of mercury

• Mounting Facility Pattern

  isosceles triangle

• Nonpile-Up Contact Arrangement

  1 pole, double throw, one position momentary

• Terminal Type

  screw

• Contact Load Current Rating

  3.2 amperes resistive load first voltage

• Contact Load Current Rating

  9.6 amperes resistive load fourth voltage

• Contact Adjustability

  deactuation point adjustable and

• Media For Which Designed

  liquid

• Iii Precious Material And Location

  contacts silver

• Thread Series Designator

  unf single pressure connection

• Inside Diameter

  0.438 inches nominal single connection

• Thread Length

  0.500 inches nominal single pressure connection

• Overall Length

  5.750 inches nominal

• Overall Width

  3.000 inches nominal

• Body Length

  4.875 inches nominal

• Body Height

  10.312 inches nominal

• Unthreaded Mounting Hole Diameter

  0.375 inches nominal

• Longest Horizontal Distance Between Mounting Centers

  3.000 inches nominal

• Longest Vertical Distance Between Mounting Centers

  4.250 inches nominal

• Iii End Item Identification

  power unit 99657

• Operating Temp Rating

  -30.0 deg fahrenheit minimum and

• Operating Temp Rating

  580.0 deg fahrenheit maximum

• Features Provided

  electrical access port

• Thread Quantity Per Inch

  20 single pressure connection

• Contact Action Stimulus

  increase

• Nominal Thread Size

  0.438 inches single pressure connection

• Contact Load Current Rating

  16.0 amperes resistive load second voltage

• Contact Load Current Rating

  2.0 amperes resistive load third voltage

• Contact Adjustability

  actuation point adjustable

• Contact Adjustment Range

  250.00 to 3000.00 actuation point inches of mercury and

• Iii Unpackaged Unit Weight

  10.000 pounds

• Iii Precious Material

  silver

• Style Designator

  30 rectangular