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NSN 5306-00-412-2847

Close Tolerance Hex Head Bolt

About this product

2.043 inches fastener length, hexagon head style, 0.290 inches head height, width between flats: between 0.928 inches and 0.940 inches .

Manufacturer part number 4F52001-613A for national stock number 5306004122847.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-00-412-2847.

  • MPN or Model

    4F52001-613A

  • Schedule B
    8109.90.0000 (Zirconium and articles thereof nesoi)
  • NMF (National Motor Freight)
    136500 - Metal NOI/metal Alloys NOI
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.543 inches
  • Fastener Length
    2.043 inches
  • Head Style
    Hexagon
  • Head Height
    0.290 inches
  • Width Between Flats
    Between 0.928 inches and 0.940 inches
  • Grip Diameter
    Between 0.6235 inches and 0.6240 inches
  • Shank Unthreaded Hole Diameter
    0.141 inches first hole and 0.151 inches first hole
  • Thread Diameter
    0.625 inches
  • Grip Length
    1.500 inches
  • Thready Qty Per Inch (tpi)
    18
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    1.919 inches first hole
  • Surface Finish
    63.0 microinches grip
  • Material
    Titanium alloy
  • Material Specification
    Nas 621 6a1-4v assn standard single material response
  • Thread Series Designator
    Unf
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Close Tolerance Bolt

An externally threaded fastener whose unthreaded portion is of a specified 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. 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. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.

Mechanic Bill explains Close Tolerance Hex Head Bolt

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NSN 5306004122847

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
4F52001-613A Lockheed Martin Corporation
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