NSN: 5930-00-899-8601

Technical Characteristics

• End Item Identification

  t-39a airplane 43999

• Overall Length

  2.500 inches nominal

• Hazardous Locations/Environmental Protection

  weatherproof

• Unthreaded Mounting Hole Diameter

  0.257 inches nominal

• Thread Series Designator

  unf all pressure connection

• Operating Temp Rating

  -65.0 deg fahrenheit minimum and 275.0 deg fahrenheit maximum

• Proof Pressure

  200.00 pounds per square inch gage

• Contact Stimulus Rating

  9.00 actuation point nominal pounds per square inch and 6.00 deactuation point nominal pounds per square inch and 3.00 differential point nominal pounds per square inch

• Contact Load Current Rating

  1.0 amperes lamp load first voltage

• Overall Height

  1.870 inches nominal

• Thread Quantity Per Inch

  20 all pressure connection

• Contact Load Current Rating

  1.0 amperes lamp load second voltage

• Style Designator

  rectangular

• Nonpile-Up Contact Arrangement

  1 pole, double throw, one position momentary

• Pressure Connector Type

  plain, threaded internal all connections

• Pressure Switch Type

  differential

• Nominal Thread Size

  0.4375 inches single pressure connection

• Contact Adjustability

  deactuation point not adjustable and actuation point not adjustable

• Mounting Facility Pattern

  two position in-line

• Overall Width

  1.870 inches nominal

• Contact Action Stimulus

  increase

• Contact Voltage Rating In Volts

  18.0 dc at sea level second voltage

• Contact Voltage Rating In Volts

  30.0 dc at sea level first voltage

• Mounting Method

  bracket and unthreaded hole

• Terminal Type

  connector, receptacle

• Media For Which Designed

  liquid

• Distance Between Mounting Facility Centers

  3.000 inches nominal