53-B-1

Technical Characteristics

• Contact Arrangement Truth Table

  bcd with complement, 1 pole - 8 positions single section

• Mounting Method

  threaded hole single mounting facility

• Switch Actuator Indexing Position Quantity

  8 single actuator

• Thread Series Designator

  unc single mounting facility

• Overall Length

  0.350 inches nominal

• Thread Class

  2b single mounting facility

• Style Designator

  rectangular indicating

• Contact Load Current Rating

  50.0 milliamperes resistive load dc at sea level

• Contact Voltage Rating In Volts

  115.0 ac at sea level

• Criticality Code Justification

  feat

• Thread Quantity Per Inch

  56 single mounting facility

• Special Features

  weapon system essential

• End Item Identification

  e-2c hawkeye, c-5 galaxy, c-130f hercules, av-8b harrier, f/a-18 hornet aircraft. lamps mark iii sh-60b, carrier based ase sh-60f helicopter.

• Contact Switching Action

  breaks before makes single section rear

• Distance Between Mounting Facility Centers

  1.300 inches nominal single mounting facility

• Overall Width

  1.500 inches nominal

• Mounting Facility Pattern

  two position in-line single mounting facility

• Overall Height

  1.200 inches maximum

• Contact Load Current Rating

  50.0 milliamperes resistive load ac at sea level

• Readout Indicator Marking

  0,1,2,3,4,5,6,7 single section

• Color

  red single indicator marking

• Individual Section Quantity

  1

• Terminal Type

  printed circuit

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Actuator Type

  push button single actuator

• Nominal Thread Size

  0.086 inches single mounting facility