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NSN 5306-00-922-1486

Close Tolerance Hex Head Bolt

About this product

2.322 inches fastener length, hexagon head style, 0.100 inches head height, width between flats: between 0.553 inches and 0.564 inches .

Manufacturer part number A51M42520-13 for national stock number 5306009221486.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-00-922-1486.

  • MPN or Model

    A51M42520-13

  • 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
    0.387 inches
  • Fastener Length
    2.322 inches
  • Head Style
    Hexagon
  • Head Height
    0.100 inches
  • Width Between Flats
    Between 0.553 inches and 0.564 inches
  • Grip Diameter
    Between 0.3725 inches and 0.3731 inches
  • Shank Unthreaded Hole Diameter
    0.075 inches first hole and 0.080 inches first hole
  • Thread Diameter
    0.375 inches
  • Grip Length
    1.935 inches
  • Thready Qty Per Inch (tpi)
    24
  • Hardness Rating
    46.0 rockwell c and 49.0 rockwell c
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    2.221 inches first hole
  • Surface Finish
    63.0 microinches grip
  • Material
    Steel
  • Surface Treatment
    Cadmium
  • Test Data Document
    81349-mil-i-6868 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
  • 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 5306009221486

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
A51M42520-13 Northrop Grumman Systems Corporation
A51M42520-13 Northrop Grumman Systems Corporation
A51M42520-13 Spiral Tool Corporation
A51M42520-13 Capy Machine Shop Inc.
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