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NSN 5306-01-454-0318

Close Tolerance Hex Head Bolt

About this product

Surface treatment: alumizite "z" supplied by tiodize, cage 34568.

Manufacturer part number 6393072-5 for national stock number 5306014540318.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-454-0318.

  • MPN or Model

    6393072-5

  • Schedule B
    7508.90.0000 (Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire))
  • NMF (National Motor Freight)
    093486 - Bolts, Nuts Or Screws, NOI (sub 3)
  • Thread Class
    2a
  • Thread Direction
    Right-hand
  • Thread Length
    0.590 inches
  • Fastener Length
    Between 2.490 inches and 2.510 inches
  • Head Style
    Hexagon
  • Head Height
    Between 0.378 inches and 0.403 inches
  • Width Between Flats
    Between 0.922 inches and 0.938 inches
  • Grip Diameter
    Between 0.623 inches and 0.624 inches
  • Shank Unthreaded Hole Diameter
    0.106 inches first hole and 0.116 inches first hole
  • Thread Diameter
    0.625 inches
  • Grip Length
    Between 1.900 inches and 1.920 inches
  • Thready Qty Per Inch (tpi)
    11
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    2.380 inches first hole
  • Surface Finish
    32.0 microinches grip
  • Material
    Nickel alloy 718
  • Material Specification
    Ams 5662 assn standard single material response
  • Surface Treatment
    Aluminum
  • Surface Treatment Specification
    Mil-c-85614 military specification single treatment response
  • Thread Series Designator
    Unc
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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 5306014540318

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
6393072-5 Naval Sea Systems Command
6393072-5 Northrop Grumman Systems Corporation
5793302 FIND 48 Naval Sea Systems Command
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