575-684

Technical Characteristics

• Style Designator

  cylindrical w/mounting lugs

• Terminal Type

  connector, receptacle

• Body Length

  2.250 inches nominal

• Criticality Code Justification

  feat

• Body Diameter

  2.800 inches maximum

• Special Features

  weapon system essential

• Proof Pressure

  750.00 pounds per square inch

• Pressure Connector Type

  gasket seal, threaded external single connection

• Sensing Element Burst Pressure

  1300.00 pounds per square inch

• Thread Series Designator

  unf all pressure connection

• Distance Between Mounting Facility Centers

  1.380 inches nominal

• Nonpile-Up Contact Arrangement

  1 pole, single throw, normally open, momentary action

• Contact Stimulus Rating

  100.50 deactuation point nominal pounds per square inch and 156.50 actuation point nominal pounds per square inch and 56.50 differential point nominal pounds per square inch

• End Item Identification

  helicopter, iroquois uh-1, helicopter, iroquois hh/uh-1

• Overall Length

  4.062 inches nominal

• Contact Load Current Rating

  250.0 milliamperes resistive load single voltage

• Thread Quantity Per Inch

  20 all pressure connection

• Thread Class

  3a single pressure connection

• Media For Which Designed

  gas or liquid

• Pressure Switch Type

  differential

• Nominal Thread Size

  0.4375 inches single pressure connection

• Mounting Method

  bracket

• Contact Adjustability

  deactuation point not adjustable and actuation point not adjustable

• Contact Voltage Rating In Volts

  28.0 dc at sea level single voltage

• Overall Width

  2.220 inches nominal

• Outside Diameter

  0.438 inches nominal single connection

• Mounting Facility Pattern

  two position in-line

• Contact Action Stimulus

  increase