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NSN 5306-01-079-5155

Close Tolerance Hex Head Bolt

About this product

1.474 inches fastener length, double hexagon w/hole head style, 0.348 inches head height, width between flats: 0.375 inches .

Manufacturer part number 4943003-501 for national stock number 5306010795155.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-079-5155.

  • MPN or Model

    4943003-501

  • NMF (National Motor Freight)
    093486 - Bolts, Nuts Or Screws, NOI (sub 3)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.599 inches
  • Fastener Length
    1.474 inches
  • Head Style
    Double hexagon w/hole
  • Head Height
    0.348 inches
  • Width Between Flats
    0.375 inches
  • Extended Washer Diameter
    Between 0.521 inches and 0.531 inches
  • Extended Washer Thickness
    0.082 inches
  • Grip Diameter
    Between 0.3110 inches and 0.3120 inches
  • Thread Diameter
    0.312 inches
  • Grip Length
    0.875 inches
  • Thready Qty Per Inch (tpi)
    24
  • Part Name Assigned By Controlling Agency
    Navy special project
  • 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 5306010795155

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
4943003-501 Boeing Company, The
4943003-501 Kitco, Llc
4943003-501 Associated Aircraft Manufacturing &
4943003-501 Derco Aerospace, Inc.
4943003-501 Boeing Company, The
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