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NSN 5306-00-193-9603

Close Tolerance Hex Head Bolt

About this product

Identification disk on top of head 0.490 in. Dia,0.030 in. Depth.

Manufacturer part number A111-34G for national stock number 5306001939603.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-00-193-9603.

  • MPN or Model

    A111-34G

  • 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)
  • Thread Class
    2a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.537 inches and 0.690 inches
  • Fastener Length
    Between 4.050 inches and 4.090 inches
  • Head Style
    Hexagon
  • Head Height
    Between 0.170 inches and 0.180 inches
  • Width Between Flats
    Between 0.493 inches and 0.500 inches
  • Grip Diameter
    Between 0.3118 inches and 0.3123 inches
  • Thread Diameter
    0.312 inches
  • Grip Length
    Between 3.400 inches and 3.513 inches
  • Thready Qty Per Inch (tpi)
    24
  • Material
    Steel
  • Material Specification
    A.111, fscm k7766 national specification single material response
  • Surface Treatment
    Cadmium
  • Thread Series Designator
    Unf
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 5306001939603

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
A111-34G British Standards Institution
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