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NSN 5306-01-028-4429

Close Tolerance Hex Head Bolt

About this product

Between 2.057 inches and 2.087 inches fastener length, hexagon head style, between 0.375 inches and 0.390 inches head height, width between flats: between 1.052 inches and 1.064 inches .

Manufacturer part number 69-42615-1 for national stock number 5306010284429.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-028-4429.

  • MPN or Model

    69-42615-1

  • 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
    Between 0.547 inches and 0.597 inches
  • Fastener Length
    Between 2.057 inches and 2.087 inches
  • Head Style
    Hexagon
  • Head Height
    Between 0.375 inches and 0.390 inches
  • Width Between Flats
    Between 1.052 inches and 1.064 inches
  • Grip Diameter
    Between 0.7480 inches and 0.7490 inches
  • Shank Unthreaded Hole Diameter
    0.141 inches first hole and 0.151 inches first hole
  • Thread Diameter
    0.750 inches
  • Grip Length
    Between 1.490 inches and 1.510 inches
  • Thready Qty Per Inch (tpi)
    16
  • Min. Tensile Strength (psi)
    180000 pounds per square inch
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    1.919 inches first hole and 1.969 inches first hole
  • Surface Finish
    32.0 microinches threads
  • Material
    Steel or steel comp 4340
  • Material Specification
    Ams 6427 assn standard 1st material response
  • Surface Treatment
    Chromium top of head
  • 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 5306010284429

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
69-42615-1 The Boeing Company
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