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NSN 5306-00-927-1401

Close Tolerance Hex Head Bolt

About this product

Between 0.778 inches and 0.808 inches fastener length, hexagon head style, between 0.312 inches and 0.327 inches head height, width between flats: between 0.928 inches and 0.940 inches .

Manufacturer part number 12H507-19 for national stock number 5306009271401.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-00-927-1401.

  • MPN or Model

    12H507-19

  • Schedule B
    8109.90.0000 (Zirconium and articles thereof nesoi)
  • NMF (National Motor Freight)
    093486 - Bolts, Nuts Or Screws, NOI (sub 3)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.518 inches and 0.568 inches
  • Fastener Length
    Between 0.778 inches and 0.808 inches
  • Head Style
    Hexagon
  • Head Height
    Between 0.312 inches and 0.327 inches
  • Width Between Flats
    Between 0.928 inches and 0.940 inches
  • Hole Diameter
    0.070 inches
  • Grip Diameter
    Between 0.6235 inches and 0.6240 inches
  • Thread Diameter
    0.625 inches
  • Grip Length
    Between 0.240 inches and 0.260 inches
  • Hole Quantity
    3
  • Hole Type
    Drilled
  • Thready Qty Per Inch (tpi)
    18
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Hole Configuration Style
    Hexagon flats
  • Material
    Titanium alloy
  • Material Specification
    Nas621 comp 6al-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 5306009271401

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
12H507-19 Lockheed Martin Corporation
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