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NSN 5306-01-475-8300

Close Tolerance Hex Head Bolt

About this product

0.808 inches fastener length, hexagon head style, between 0.125 inches and 0.140 inches head height, width between flats: between 0.429 inches and 0.439 inches .

Manufacturer part number NAS6304U7DH for national stock number 5306014758300.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-475-8300.

  • MPN or Model

    NAS6304U7DH

  • 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
    0.370 inches
  • Fastener Length
    0.808 inches
  • Head Style
    Hexagon
  • Head Height
    Between 0.125 inches and 0.140 inches
  • Width Between Flats
    Between 0.429 inches and 0.439 inches
  • Grip Diameter
    Between 0.425 inches and 0.448 inches
  • Thread Diameter
    0.250 inches
  • Grip Length
    0.808 inches
  • Hole Quantity
    7
  • Hole Type
    Drilled
  • Thready Qty Per Inch (tpi)
    28
  • Material
    Stainless steel
  • Material Specification
    A286 assn standard 1st material 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 5306014758300

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS6304U7DH National Aerospace Standards
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