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NSN 5306-01-070-1711

Close Tolerance Hex Head Bolt

About this product

Between 0.766 inches and 0.796 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 BACB30BG3K6A for national stock number 5306010701711.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-070-1711.

  • MPN or Model

    BACB30BG3K6A

  • NMF (National Motor Freight)
    093486 - Bolts, Nuts Or Screws, NOI (sub 3)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.381 inches and 0.431 inches
  • Fastener Length
    Between 0.766 inches and 0.796 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 0.1885 inches and 0.1894 inches
  • Thread Diameter
    0.190 inches
  • Grip Length
    Between 0.365 inches and 0.385 inches
  • Thready Qty Per Inch (tpi)
    32
  • Min. Tensile Strength (psi)
    140000 pounds per square inch
  • Surface Finish
    32.0 microinches threads
  • Material
    Copper alloy 172 or copper alloy 173 or nickel alloy k-500
  • Material Specification
    Qq-c-530 temper a federal specification 1st material response or qq-c-530 temper a federal specification 2nd material response or qq-n-286 federal specification 3rd material response
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    Qq-p-416 type 1 cl 3 federal specification single treatment 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 5306010701711

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
BACB30BG3K6A The Boeing Company
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