NSN: 5930-01-549-6032

Technical Characteristics

• ~1

  watt, 7000 ohm resistor

• Contact Load Current Rating

  4.0 amperes resistive load single voltage

• End Item Identification

  cvn nuclear reactor boundary area

• Contact Voltage Rating In Volts

  440.0 ac at sea level single voltage

• Part Name Assigned By Controlling Agency

  pressure switch

• Special Features

  222-10 model nb-4 pressure control switch unit 2221901 nb-4, range 5 to 75 psi; single pole, single throw, normally closed contacts set to open on rising fuel pressure (15 psi) min. differntial. pressure connection 7/16-20 straight thread with 222289, 5