SD173A

Technical Characteristics

• Overall Height

  3.880 inches nominal

• Mounting Facility Type And Quantity

  4 unthreaded hole single mounting facility

• Operating Voltage Rating And Type At Specified Temp

  12.0 volts teardrop, two holes type 4f all windings

• Center To Center Distance Between Mounting Facilities Parallel To Length

  3.990 inches minimum single mounting facility and 4.010 inches maximum single mounting facility

• Overall Width

  3.250 inches nominal

• Main Contact Maximum Voltage Rating In Volts

  28.0 dc

• Main Contact Load Current Rating At Maximum Rated Voltage

  3.0 amperes dc resistive load

• Coil Quantity

  2

• Overall Length

  4.630 inches nominal

• Nonpile-Up Main Contact Arrangement

  1 pole, single throw, normally open, momentary action and 2 pole, single throw, normally closed, momentary action

• End Item Identification

  485l tacs; u-2 support equipment; aircraft, eagle f-15; aircraft, f-16; support equipment, ov-10a aircraft; support equipment, b-52 aircraft; aircraft, b-2 bomber (atb); aircraft, phantom f-4; aircraft, stratofortress b-52; aircraft, f-111

• Terminal Type And Quantity

  8 threaded stud all functions

• Unthreaded Mounting Hole Diameter

  0.191 inches minimum single mounting facility and 0.206 inches maximum single mounting facility

• Winding Quantity

  1

• Special Features

  weapon system essential

• Center To Center Distance Between Mounting Facilities Parallel To Width

  2.740 inches minimum single mounting facility and 2.760 inches maximum single mounting facility

• Criticality Code Justification

  feat

• Mounting Facility Pattern

  rectangular single mounting facility