NSN 5985-00-097-7374

Attenuator Electronic Switch

About this product

Irregular body style, 0.0 gigahertz and 1.25 gigahertz single frequency operating frequency rating, nontransfer switch type, operating tempurature range: -55.0 to 85.0 degrees celsius.

Manufacturer part number SA-521A/AW/O MTG for national stock number 5985000977374.

Picture of NSN 5985-00-097-7374


  • Product description

    Radio Frequency Transmission Line Switch NSN 5985-00-097-7374.

  • MPN or Model

    SA-521A/AW/O MTG

  • Schedule B
    8529.10.9000 (Antenna & antenna reflectors of all kinds; parts suitable for use soley or principally w/ apparatus of heading 8525 to 8528, nesoi)
  • NMF (National Motor Freight)
    061300 - Circuit Breaker/switch NOI
  • Unit Weight (Est.)
    1 lb
  • Body Style
  • Overall Length
    Between 3.040 inches and 3.340 inches
  • Overall Height
    2.750 inches
  • Overall Width
    1.950 inches
  • Frequency Rating
    0.0 gigahertz and 1.25 gigahertz single frequency operating
  • Switch Type
  • Operating Tempurature Range
    -55.0 to 85.0 degrees celsius
  • Voltage Standing Wave Ratio
    1.20 single
  • Insertion Loss In Decibels
    0.20 single
  • Coaxial Connector Series Designation
  • Connector End Design
  • Rf Power Handling Capability
    4.5 kilowatts peak 2nd
  • Minimum Crosstalk Rating In Decibels
    40.0 single
  • Actuator Operating Method
  • Actuator Current Type And Rating In Amps
    1.0 dc
  • Actuator Voltage In Volts
  • Switch Operation Sequence
    Makes before breaks
  • Switching Time
    20.0 milliseconds
  • Pole Quantity
  • Throw Quantity
  • Rf Maximum Voltage Rating
    1.0 kilovolts peak
  • Coupling Position Quantity
  • Mounting Facility Type And Quantity
    1 base
  • Material
    Aluminum alloy body
  • Test Data Document
    81349-mil-s-25879 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.).
  • Terminal Type And Quantity
    1 connector, receptacle and 3 receptacle, coaxial
More from these suppliers
Radio Frequency Transmission Line Switch

An item specifically designed for mechanically or electronically positioning one or more radio frequency transmission line sections so as to couple it or them to other sections in a radio frequency transmission line system. The switching function may be operated by a manual actuator, an electromechanical actuator or by means of an arrangement of semiconductors and passive circuit devices. Excludes relay, (as modified).

Mechanic Bill explains Attenuator Electronic Switch

Pricing and Availability

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NSN 5985000977374

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
SA-521A/AW/O MTG Military Specifications
MIL-DTL-25879 Military Specifications
S-2479 R L C Electronics, Inc.
SA-521A/A Military Specifications
13-50-04010 Meggitt Safety Systems, Inc.
50010 L-3 Communications Corporation
GS839L2 Northrop Grumman Systems Corporation
SA521A/A Eaton Corporation
MIL-S-25879 Military Specifications
SA521A/A Eaton Motor Site
Stock Check
Availability for this item was last checked on 11/01/23. The quantities and conditions available at the time were:
  • NE: 112
  • AR: 15
  • NS: 210
  • SV: 1
  • OH: 4