Rotary Switch

Part Number M3900-4FA

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

We ship worldwide

Features

2a 2nd mounting facility thread class, 1.416 inches nominal overall length, unef 2nd mounting facility thread series designator.

0.312" 2nd mounting facility thread length tap, circular, bushing mount.

Includes quality control certificate of conformance.

Specifications

  • Thread Length:
    0.312 inches 2nd mounting facility
  • First Flat Length:
    0.250 inches single actuator
  • Flat Height:
    0.094 inches single actuator
  • Shaft Diameter:
    0.125 inches single actuator
  • Shaft Length:
    0.375 inches single actuator
  • Overall Diameter:
    0.687 inches
  • Individual Section Quantity:
    1
  • Operating Tempurature Range:
    -65.0/+85.0 degrees celsius
  • Switch Contact Basic Design:
    Nonpile-up symmetrical
  • Pole Quantity:
    1 single section front
  • Throw Quantity:
    7 single section rear
  • Mounting Method:
    Printed circuit 1st mounting facilitythreaded bushing 2nd mounting facility
  • Thread Size:
    0.250 inches 2nd mounting facility
  • Contact Voltage Rating In Volts:
    115.0 ac at sea level28.0 dc at sea level
  • Rotor Through Connection Quantity:
    1 single section
  • Switch Actuator Indexing Position Quantity:
    7 single actuator
  • Shaft Type:
    Round, flatted single actuator
  • Terminal Type:
    Printed circuit
  • Contact Switching Action:
    Breaks before makes single section rear
  • Switch Actuator Positioning Increment:
    30.0 degrees single actuator
  • Contact Load Current Rating:
    500.0 milliamperes resistive load ac at sea level250.0 milliamperes inductive load dc at sea level and 500.0 milliamperes resistive load dc at sea level
  • Style Designator:
    Tap, circular, bushing mount
  • Test Data Document:
    81349-mil-s-3786 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
  • Specification Data:
    81349-mil-s-3786/39 government specification
  • Federal Supply Class (fsc):
    Switches
  • National Stock Number (nsn):
    5930-01-349-8972

Price Quote and Buy

Receive a quote by email then order online or over the phone.
5930013498972
Privacy    Terms

Quality Distribution Professional and certified distributor

  • ISO 9001:2015 + AS9120B
  • ITAR Registered
  • Quality inspected NSNs
  • Counterfeit Parts Prevention