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NSN 5306-00-272-1744

Close Tolerance Hex Head Bolt

About this product

2.000 inches fastener length, dee chamfer head style, 0.531 inches head diameter, head height: 0.188 inches .

Manufacturer part number 5F20-1041 for national stock number 5306002721744.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-00-272-1744.

  • MPN or Model

    5F20-1041

  • 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.)
    0.1 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.562 inches
  • Fastener Length
    2.000 inches
  • Head Style
    Dee chamfer
  • Head Diameter
    0.531 inches
  • Head Height
    0.188 inches
  • Distance From Centerline To Flat
    Between 0.182 inches and 0.187 inches
  • Grip Diameter
    Between 0.3125 inches and 0.3130 inches
  • Thread Diameter
    0.312 inches
  • Grip Length
    0.812 inches
  • Thready Qty Per Inch (tpi)
    24
  • Hardness Rating
    297.0 brinell standard and 352.0 brinell standard
  • Material
    Steel comp 4032 or steel comp 4037 or steel comp 8637
  • 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 5306002721744

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
5F20-1041 Carrier Corporation
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