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NSN 5306-00-939-0812

Coaxial Connector

About this product

1.762 inches fastener length, double hexagon w/hole head style, 0.300 inches head height, width between flats: between 0.304 inches and 0.313 inches .

Manufacturer part number MBT50-4-20 for national stock number 5306009390812.

Datasheet

  • Product description

    Shear Bolt NSN 5306-00-939-0812.

  • MPN or Model

    MBT50-4-20

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    093486 - Bolts, Nuts Or Screws, NOI (sub 3)
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.492 inches
  • Fastener Length
    1.762 inches
  • Head Style
    Double hexagon w/hole
  • Head Height
    0.300 inches
  • Width Between Flats
    Between 0.304 inches and 0.313 inches
  • Extended Washer Diameter
    Between 0.428 inches and 0.438 inches
  • Extended Washer Thickness
    0.069 inches
  • Grip Diameter
    Between 0.2485 inches and 0.2495 inches
  • Thread Diameter
    0.250 inches
  • Grip Length
    1.250 inches
  • Thready Qty Per Inch (tpi)
    28
  • Min. Tensile Strength (psi)
    180000 pounds per square inch
  • Hardness Rating
    39.0 rockwell c and 43.0 rockwell c
  • Material
    Steel comp 8740 or steel comp e4340 or steel comp 4340 or steel comp 6150 or steel comp 4140
  • Surface Treatment
    Cadmium and chromate
  • Surface Treatment Specification
    Qq-p-416, type 2, cl 3 federal specification single treatment response
  • Thread Series Designator
    Unf
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Shear Bolt

A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. A locking feature may be incorporated in the design of the head or threads. See bolt, machine and bolt, clevis.

Mechanic Bill explains Coaxial Connector

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NSN 5306009390812

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
MBT50-4-20 Hi-shear Corporation
MS21250-04020 Valley-todeco, Inc.
MS21250-04020 Arconic Global Fasteners & Rings,
MS21250-04020 Sps Technologies, Llc
MS21250-04020 Sps Technologies, Llc
MS21250-04020 All Manufacturers, Inc.
MS21250-04020 Alcoa Global Fasteners, Inc.
MS21250-04020 Textron Fastening Systems
VFK100G-04020 Valley-todeco, Inc.
MS21250-04020 National Aerospace Standards
LS35105-04-020 Lockheed Martin Corporation
6300778-04020 Naval Sea Systems Command
MS21250-04020 Military Standards
MS21250-04020 Huck Intl Inc
MS21250-04020 Mercury Aerospace Fasteners Inc
MS21250-04020 Allen Mfg Co
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