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NSN 5306-00-243-2273

Close Tolerance Hex Head Bolt

About this product

Between 1.328 inches and 1.375 inches fastener length, hexagon head style, 0.156 inches head height, width between flats: between 0.428 inches and 0.440 inches .

Manufacturer part number 3M33-4-14A for national stock number 5306002432273.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-00-243-2273.

  • MPN or Model

    3M33-4-14A

  • 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)
  • Unit Weight (Est.)
    0.2 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.469 inches
  • Fastener Length
    Between 1.328 inches and 1.375 inches
  • Head Style
    Hexagon
  • Head Height
    0.156 inches
  • Width Between Flats
    Between 0.428 inches and 0.440 inches
  • Hole Diameter
    0.048 inches
  • Grip Diameter
    Between 0.2487 inches and 0.2492 inches
  • Thread Diameter
    0.250 inches
  • Grip Length
    0.875 inches
  • Hole Quantity
    1
  • Hole Type
    Drilled
  • Thready Qty Per Inch (tpi)
    28
  • Hole Configuration Style
    Hexagon flats
  • Material
    Iron alloy 660
  • Material Specification
    Ams 5735 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 5306002432273

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
3M33-4-14A Boeing Company, The
3M33-4-14A Arconic Global Fasteners & Rings,
3M33-4-14A Valley-todeco, Inc.
3M33-4-14A Sps Technologies, Llc
3M33-4-14A Sps Technologies, Llc
3M33-4-14A Sps Technologies, Llc
3M33-4-14A Tactair Fluid Controls, Inc.
Stock Check
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