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NSN 5306-01-117-2397

Close Tolerance Hex Head Bolt

About this product

Between 5.326 inches and 5.346 inches fastener length, spline drive shear head head style, between 0.351 inches and 0.381 inches head height, width between flats: between 0.774 inches and 0.782 inches .

Manufacturer part number ST3M744-10D68 for national stock number 5306011172397.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-117-2397.

  • MPN or Model

    ST3M744-10D68

  • 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 1.066 inches and 1.106 inches
  • Fastener Length
    Between 5.326 inches and 5.346 inches
  • Head Style
    Spline drive shear head
  • Head Height
    Between 0.351 inches and 0.381 inches
  • Width Between Flats
    Between 0.774 inches and 0.782 inches
  • Grip Diameter
    Between 0.6235 inches and 0.6240 inches
  • Shank Unthreaded Hole Diameter
    0.141 inches first hole and 0.146 inches first hole
  • Thread Diameter
    0.625 inches
  • Grip Length
    Between 4.240 inches and 4.260 inches
  • Thready Qty Per Inch (tpi)
    18
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    5.076 inches first hole and 5.106 inches first hole
  • Material
    Stainless steel
  • Material Specification
    23-112 fscm 76301 mfr ref single material response
  • Surface Treatment
    Passivate
  • 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 5306011172397

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
ST3M744-10D68 Boeing Company, The
AIC687-10D68 Sps Technologies, Llc
MB154-10D68 Hi-shear Corporation
PBF1265-10D68 Sps Technologies, Llc
VCG0001-10D68 Valley-todeco, Inc.
122895-10D68 Sps Technologies, Llc
MB154-10D68 Lisi Aerospace Canada Corp
VS3174-10D68 Alcoa Global Fasteners, Inc.
S406-10D68 Huck International, Inc.
11823-10D68 Reid Products Inc.
S406-10D68 Huck Intl Inc
VCG001-10D68 Valley-todeco, Inc.
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