Rotary Switch

Part Number 138-178

Quality inspected with certificate of conformity. For questions and pricing call us at +1 210-468-8090

We ship worldwide

Features

2a single mounting facility thread class, 7.720 inches nominal overall length, unef single mounting facility thread series designator.

0.375" single mounting facility thread length 1.750" overall width circular wafer, bushing mount.

Includes quality control certificate of conformance.

Specifications

  • Thread Length:
    0.375 inches single mounting facility
  • Overall Height:
    2.312 inches
  • Overall Width:
    1.750 inches
  • First Flat Length:
    0.380 inches single actuator
  • Flat Height:
    0.188 inches single actuator
  • Shaft Diameter:
    0.250 inches single actuator
  • Shaft Length:
    0.745 inches single actuator
  • Individual Section Quantity:
    8
  • Switch Contact Basic Design:
    Nonpile-up symmetrical
  • Pole Quantity:
    1 3rd section front
  • Pole Quantity:
    1 4th section front
  • Pole Quantity:
    1 5th section front
  • Pole Quantity:
    1 6th section front
  • Pole Quantity:
    2 1st section front
  • Pole Quantity:
    2 2nd section front
  • Pole Quantity:
    2 8th section front
  • Pole Quantity:
    2 7th section front
  • Throw Quantity:
    9 each section rear
  • Mounting Method:
    Threaded bushing single mounting facility
  • Thread Size:
    0.375 inches single mounting facility
  • Contact Voltage Rating In Volts:
    110.0 ac at sea level
  • Contact Voltage Rating In Volts:
    28.0 dc at sea level
  • Rotor Through Connection Quantity:
    1 3rd section
  • Rotor Through Connection Quantity:
    1 4th section
  • Rotor Through Connection Quantity:
    1 5th section
  • Rotor Through Connection Quantity:
    1 6th section
  • Rotor Through Connection Quantity:
    2 1st section
  • Rotor Through Connection Quantity:
    2 2nd section
  • Rotor Through Connection Quantity:
    2 8th section
  • Rotor Through Connection Quantity:
    7 7th section
  • Switch Actuator Indexing Position Quantity:
    9 single actuator
  • Shaft Type:
    Round, flatted single actuator
  • Terminal Type:
    Tab, solder lug
  • Contact Switching Action:
    Breaks before makes 1st section rear
  • Contact Switching Action:
    Breaks before makes 4th section rear
  • Contact Switching Action:
    Breaks before makes 5th section rear
  • Contact Switching Action:
    Breaks before makes 2nd section rear
  • Contact Switching Action:
    Breaks before makes 6th section rear
  • Contact Switching Action:
    Makes before breaks 3rd section rear
  • Contact Switching Action:
    Makes before breaks 7th section rear
  • Contact Switching Action:
    Makes before breaks 8th section rear
  • Switch Actuator Positioning Increment:
    20.0 degrees single actuator
  • Switch Actuator Stop Device Type:
    Adjustable stop single actuator
  • Contact Load Current Rating:
    2.0 amperes resistive load dc at sea level
  • Contact Load Current Rating:
    1.0 amperes resistive load ac at sea level
  • Precious Material And Location:
    Contacts and rotor blades silver
  • Precious Material:
    Silver
  • Style Designator:
    Circular wafer, bushing mount
  • Federal Supply Class (fsc):
    Switches
  • National Stock Number (nsn):
    5930-00-084-2630

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5930000842630
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