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NSN 5306-01-024-3275

Close Tolerance Hex Head Bolt

About this product

Between 1.140 inches and 1.187 inches fastener length, hexagon head style, between 0.109 inches and 0.141 inches head height, width between flats: between 0.365 inches and 0.377 inches .

Manufacturer part number 3M33-3D12 for national stock number 5306010243275.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-024-3275.

  • MPN or Model

    3M33-3D12

  • 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 0.380 inches and 0.447 inches
  • Fastener Length
    Between 1.140 inches and 1.187 inches
  • Head Style
    Hexagon
  • Head Height
    Between 0.109 inches and 0.141 inches
  • Width Between Flats
    Between 0.365 inches and 0.377 inches
  • Grip Diameter
    Between 0.1889 inches and 0.1894 inches
  • Shank Unthreaded Hole Diameter
    0.070 inches first hole and 0.075 inches first hole
  • Thread Diameter
    0.190 inches
  • Grip Length
    Between 0.740 inches and 0.760 inches
  • Thready Qty Per Inch (tpi)
    32
  • Hardness Rating
    24.0 rockwell c and 44.0 rockwell c
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    1.000 inches first hole and 1.032 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 5306010243275

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
3M33-3D12 Huck International, Inc.
3M33-3D12 Valley-todeco, Inc.
3M33-3D12 Arconic Global Fasteners & Rings,
3M33-3D12 Sps Technologies, Llc
3M33-3D12 Alcoa Global Fasteners, Inc.
3M33-3D12 Textron Fastening Systems
3M33-3D12 Boeing Company, The
3M33-3D12 Huck Intl Inc
3M33-3D12 Newport Aeronautical Sales
3M33-3D12 Valley-todeco, Inc.
3M33-3D12 Arconic Global Fasteners & Rings,
3M33-3D12 Sps Technologies, Llc
3M33-3D12 Textron Fastening Systems
3M33-3D12 Alcoa Global Fasteners, Inc.
3M33-3D12 Boeing Company, The
3M33-3D12 Newport Aeronautical Sales
3M33-3D12 Huck Intl Inc
Stock Check
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