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NSN 5306-00-401-5236

Close Tolerance Hex Head Bolt

About this product

Between 2.515 inches and 2.562 inches fastener length, hexagon head style, between 0.172 inches and 0.204 inches head height, width between flats: between 0.490 inches and 0.502 inches .

Manufacturer part number 3M33-5-32 for national stock number 5306004015236.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-00-401-5236.

  • MPN or Model

    3M33-5-32

  • 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 0.505 inches and 0.572 inches
  • Fastener Length
    Between 2.515 inches and 2.562 inches
  • Head Style
    Hexagon
  • Head Height
    Between 0.172 inches and 0.204 inches
  • Width Between Flats
    Between 0.490 inches and 0.502 inches
  • Hole Diameter
    0.070 inches
  • Grip Diameter
    Between 0.3112 inches and 0.3117 inches
  • Shank Unthreaded Hole Diameter
    0.076 inches and 0.081 inches first hole
  • Thread Diameter
    0.312 inches
  • Grip Length
    Between 1.990 inches and 2.010 inches
  • Hole Quantity
    1
  • Hole Type
    Drilled
  • Thready Qty Per Inch (tpi)
    24
  • Hardness Rating
    24.0 rockwell c and 44.0 rockwell c
  • Hole Configuration Style
    Hexagon longitudinal hole
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    2.343 inches and 2.375 inches first hole
  • Surface Finish
    32.0 microinches grip
  • Part Name Assigned By Controlling Agency
    Navy special project
  • Material
    Iron alloy 660
  • Material Specification
    Ams 5732 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 5306004015236

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
3M33-5-32 Boeing Company, The
3M33-5-32 Boeing Company, The
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