NSN 5306-01-383-9940

Coaxial Connector

About this product

1.681 inches fastener length, double hexagon extended washer head style, 0.711 inches head height, width between flats: 0.812 inches .

Manufacturer part number 12387352-H12010 for national stock number 5306013839940.

Picture of NSN 5306-01-383-9940


  • Product description

    Shear Bolt NSN 5306-01-383-9940.

  • MPN or Model


  • 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)
  • Thread Class
  • Thread Direction
  • Thread Length
    1.036 inches
  • Fastener Length
    1.681 inches
  • Head Style
    Double hexagon extended washer
  • Head Height
    0.711 inches
  • Width Between Flats
    0.812 inches
  • Extended Washer Diameter
    Between 1.220 inches and 1.230 inches
  • Extended Washer Thickness
    0.178 inches
  • Hole Diameter
    Between 0.045 inches and 0.060 inches
  • Grip Diameter
    Between 0.797 inches and 0.812 inches
  • Thread Diameter
    0.750 inches
  • Grip Length
    Between 0.615 inches and 0.635 inches
  • Hole Quantity
  • Hole Type
  • Thready Qty Per Inch (tpi)
  • Min. Tensile Strength (psi)
    180000 pounds per square inch
  • Hole Configuration Style
    Double hexagon longitudinal hole
  • Material
    Steel comp 4140
  • Material Specification
    Mil-s-5626 4140 military specification single material response
  • Surface Treatment
    Phosphate zinc
  • Surface Treatment Specification
    Mil-std-171 5.1.1 military standard single treatment response
  • Thread Series Designator
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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 5306013839940

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
12387352-H12010 U S Army Tank Automotive Command
Stock Check
Availability for this item was last checked on 03/28/24. The quantities and conditions available at the time were:
  • NS: 2045
  • NE: 766