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NSN 5306-01-144-1639

Close Tolerance Hex Head Bolt

About this product

Between 3.334 inches and 3.381 inches fastener length, spline drive shear head head style, 0.328 inches head height, width between flats: between 0.904 inches and 0.912 inches .

Manufacturer part number S397-9D42 for national stock number 5306011441639.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-144-1639.

  • MPN or Model

    S397-9D42

  • 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
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.699 inches and 0.766 inches
  • Fastener Length
    Between 3.334 inches and 3.381 inches
  • Head Style
    Spline drive shear head
  • Head Height
    0.328 inches
  • Width Between Flats
    Between 0.904 inches and 0.912 inches
  • Grip Diameter
    Between 0.5610 inches and 0.5615 inches
  • Shank Unthreaded Hole Diameter
    0.141 inches first hole and 0.146 inches first hole
  • Thread Diameter
    0.562 inches
  • Grip Length
    Between 2.615 inches and 2.635 inches
  • Thready Qty Per Inch (tpi)
    18
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    3.205 inches first hole and 3.262 inches first hole
  • Material
    Steel comp xm-13
  • Material Specification
    Ams 5629 assn standard single material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Qq-p-35 federal specification single treatment 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 5306011441639

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
S397-9D42 Huck International, Inc.
VS3191-9D42 Arconic Global Fasteners & Rings,
VCG0002-9D42 Valley-todeco, Inc.
AIC688-9D42 Sps Technologies, Llc
PBF1266-9D42 Sps Technologies, Llc
MB155-9D42 Hi-shear Corporation
122896-9D42 Sps Technologies, Llc
ST3M747-9D42 Boeing Company, The
MB155-9D42 Lisi Aerospace Canada Corp
ST3M747-9D42 Alcoa Global Fasteners, Inc.
S397-9D42 Huck Intl Inc
VS3191-9D42 Alcoa Global Fasteners, Inc.
Stock Check
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