1-321-802-5889

NSN 5306-01-107-6590

Close Tolerance Hex Head Bolt

About this product

15 deg angle ground head on one side.

Manufacturer part number 74B450985-2001 for national stock number 5306011076590.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-107-6590.

  • MPN or Model

    74B450985-2001

  • 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
    0.438 inches
  • Fastener Length
    1.376 inches
  • Head Style
    Undercut hexagon
  • Head Height
    Between 0.156 inches and 0.171 inches
  • Width Between Flats
    Between 0.492 inches and 0.502 inches
  • Grip Diameter
    Between 0.3115 inches and 0.3120 inches
  • Shank Unthreaded Hole Diameter
    0.076 inches first hole and 0.086 inches first hole
  • Thread Diameter
    0.312 inches
  • Grip Length
    0.938 inches
  • Thready Qty Per Inch (tpi)
    24
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    1.184 inches first hole
  • Material Specification
    Ams5731 national specification single material response or ams5737 national specification single material response
  • Surface Treatment
    Passivate
  • Thread Series Designator
    Unjf
  • Specification Data
    80205-nas6305 professional/industrial association standard
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 5306011076590

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
74B450985-2001 Boeing Company, The
74B450985-2001 Nassau Tool Works Inc.
74B450985-2001 All Tools Inc.
74B450985-2001 Safran Landing Systems Canada Inc
10115725 Nimikkeistokeskus Ncb Finland
Stock Check
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