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NSN 5306-01-624-8689

Coaxial Connector

About this product

1.2805 inches fastener length, double hexagon w/hole head style, 0.300 inches head height, width between flats: 0.348 inches .

Manufacturer part number ST3M571-4D13 for national stock number 5306016248689.

Datasheet

  • Product description

    Shear Bolt NSN 5306-01-624-8689.

  • MPN or Model

    ST3M571-4D13

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.468 inches
  • Fastener Length
    1.2805 inches
  • Head Style
    Double hexagon w/hole
  • Head Height
    0.300 inches
  • Width Between Flats
    0.348 inches
  • Extended Washer Diameter
    0.433 inches
  • Extended Washer Thickness
    0.069 inches
  • Grip Diameter
    Between 0.2490 inches and 0.2495 inches
  • Shank Unthreaded Hole Diameter
    0.076 inches and 0.081 inches first hole
  • End Application
    F-15sa
  • Thread Diameter
    0.2500 inches
  • Grip Length
    0.8125 inches
  • Thready Qty Per Inch (tpi)
    28
  • Min. Tensile Strength (psi)
    220000 pounds per square inch
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    1.0885 inches and 1.0985 inches first hole
  • Part Name Assigned By Controlling Agency
    Bolt-close tolerance, 12 point, flange head, 220 ksi ftu, cres
  • Material
    Steel comp xm-13
  • Surface Treatment
    Passivate
  • Thread Series Designator
    Unjf
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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 5306016248689

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
ST3M571-4D13 Boeing Company, The
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