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NSN 5306-01-581-6158

Close Tolerance Hex Head Bolt

About this product

Drilled shank having nominal hole diameter of 0.070 inches centered approximatly 0.117 inches from threaded end.

Manufacturer part number BACB30LT3D24 for national stock number 5306015816158.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-581-6158.

  • MPN or Model

    BACB30LT3D24

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.340 inches and 0.350 inches
  • Fastener Length
    Between 1.960 inches and 2.010 inches
  • Head Style
    Double hexagon
  • Head Height
    Between 0.130 inches and 0.150 inches
  • Width Between Flats
    Between 0.367 inches and 0.376 inches
  • Grip Diameter
    Between 0.1879 inches and 0.1895 inches
  • Thread Diameter
    0.190 inches
  • Grip Length
    Between 1.490 inches and 1.510 inches
  • Thready Qty Per Inch (tpi)
    32
  • Min. Tensile Strength (psi)
    110000 pounds per square inch
  • Surface Finish
    32.0 microinches threads
  • Part Name Assigned By Controlling Agency
    Bolt, 12 point head, short thread, close tol, a286 cres, 110 ksi min shear
  • Material
    Stainless steel
  • Material Specification
    Ams 5737 assn standard single material response
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    Ams qq-p-416, type 2, cl 2 assn standard single treatment response
  • 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 5306015816158

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
BACB30LT3D24 The Boeing Company
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