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NSN 5306-01-181-4107

Close Tolerance Hex Head Bolt

About this product

Between 2.062 inches and 2.109 inches fastener length, double hexagon head style, 0.281 inches head height, width between flats: between 0.741 inches and 0.752 inches .

Manufacturer part number 68484-8P25 for national stock number 5306011814107.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-181-4107.

  • MPN or Model

    68484-8P25

  • 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
    0.516 inches
  • Fastener Length
    Between 2.062 inches and 2.109 inches
  • Head Style
    Double hexagon
  • Head Height
    0.281 inches
  • Width Between Flats
    Between 0.741 inches and 0.752 inches
  • Hole Diameter
    0.070 inches
  • Grip Diameter
    Between 0.4985 inches and 0.4995 inches
  • Shank Unthreaded Hole Diameter
    0.106 inches first hole and 0.116 inches first hole
  • Thread Diameter
    0.500 inches
  • Grip Length
    Between 1.552 inches and 1.572 inches
  • Thready Qty Per Inch (tpi)
    20
  • Hole Configuration Style
    Double hexagon longitudinal hole
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    1.922 inches first hole and 1.954 inches first hole
  • Material
    Steel comp h11
  • Material Specification
    Ams 6487 assn standard single material response or stsbs000 mfr ref single material response
  • Surface Treatment
    Nickel and cadmium and chromate
  • Surface Treatment Specification
    Stsbs000 mfr ref 1st treatment response and ams 2416 assn standard 1st treatment response and stsbs000 mfr ref 2nd treatment response and ams 2416 assn standard 2nd treatment response
  • Thread Series Designator
    Unjf
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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 5306011814107

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
68484-8P25 Sps Technologies, Llc
68484-8P25 Sps Technologies, Llc
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