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NSN 5306-01-277-6227

Close Tolerance Hex Head Bolt

About this product

Between 2.451 inches and 2.492 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 73586D-8-29 for national stock number 5306012776227.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-277-6227.

  • MPN or Model

    73586D-8-29

  • 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)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.529 inches and 0.690 inches
  • Fastener Length
    Between 2.451 inches and 2.492 inches
  • Head Style
    Double hexagon
  • Head Height
    0.281 inches
  • Width Between Flats
    Between 0.741 inches and 0.752 inches
  • Grip Diameter
    Between 0.4985 inches and 0.4995 inches
  • Shank Unthreaded Hole Diameter
    0.106 inches first hole
  • Thread Diameter
    0.500 inches
  • Grip Length
    Between 1.802 inches and 1.822 inches
  • Thready Qty Per Inch (tpi)
    20
  • Min. Tensile Strength (psi)
    125000 pounds per square inch
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    2.198 inches first hole and 2.218 inches first hole
  • Surface Finish
    32.0 microinches grip
  • Material
    Steel comp xm-13
  • Material Specification
    Ams 5629 assn standard single material 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 5306012776227

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
73586D-8-29 Sps Technologies, Llc
73586D-8-A29 Sps Technologies, Llc
LE111-0064-0829 Boeing Company, The
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