NSN: 5945-01-281-6931

Technical Characteristics

• Environmental Protection

  dustproof

• Fragility Factor

  moderately rugged

• Nominal Thread Size

  0.138 inches single mounting facility

• Operating Voltage Rating And Type At Specified Temp

  28.0 volts teardrop, two holes type 4f single winding

• Precious Material And Location

  terminal surfaces and contacts silver and contact surfaces gold

• Center To Center Distance Between Mounting Facilities Parallel To Length

  1.625 inches nominal single mounting facility

• Mounting Facility Pattern

  rectangular single mounting facility

• Time Delay

  0.005 seconds nominal fixed release time

• Storage Type

  general purpose warehouse

• Overall Width

  1.750 inches minimum and 1.813 inches maximum

• Case Material

  plastic

• Main Contact Load Current Rating At Maximum Rated Voltage

  500.0 milliamperes ac resistive load and 5.0 amperes dc resistive load

• Pile-Up Main Contact Form Arrangement

  11c

• Duty Type

  continuous

• End Item Identification

  bsy1 fy88

• Precious Material

  gold and silver

• Thread Series Designator

  unc single mounting facility

• Coil Quantity

  1

• Contact Material

  silver

• Purpose For Which Designed

  general

• Overall Length

  1.990 inches minimum and 2.010 inches maximum

• Contact Surface Treatment

  gold

• Center To Center Distance Between Mounting Facilities Parallel To Height

  4.402 inches nominal single mounting facility

• Overall Height

  4.938 inches minimum and 5.000 inches maximum

• Main Contact Maximum Voltage Rating In Volts

  115.0 ac and 28.0 dc

• Cubic Measure

  18.221 cubic inches

• Thread Direction

  right-hand single mounting facility

• Time Delay

  0.015 seconds nominal fixed operate time

• Terminal Type And Quantity

  35 tab, solder lug all functions

• Thread Class

  2a single mounting facility

• Winding Quantity

  1

• Thread Quantity Per Inch

  32 single mounting facility

• Arc Quenching Method

  air

• Mounting Facility Type And Quantity

  4 threaded stud single mounting facility