1-321-802-5889

NSN 5306-01-107-7239

Close Tolerance Hex Head Bolt

About this product

Between 2.474 inches and 2.504 inches fastener length, double hexagon w/hole head style, between 0.338 inches and 0.358 inches head height, width between flats: between 0.367 inches and 0.376 inches .

Manufacturer part number BM3326-5H31 for national stock number 5306011077239.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-107-7239.

  • MPN or Model

    BM3326-5H31

  • 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 0.526 inches and 0.576 inches
  • Fastener Length
    Between 2.474 inches and 2.504 inches
  • Head Style
    Double hexagon w/hole
  • Head Height
    Between 0.338 inches and 0.358 inches
  • Width Between Flats
    Between 0.367 inches and 0.376 inches
  • Extended Washer Diameter
    Between 0.521 inches and 0.531 inches
  • Extended Washer Thickness
    Between 0.072 inches and 0.092 inches
  • Hole Diameter
    Between 0.050 inches and 0.060 inches
  • Grip Diameter
    Between 0.3115 inches and 0.3120 inches
  • Thread Diameter
    0.312 inches
  • Grip Length
    Between 1.928 inches and 1.948 inches
  • Hole Quantity
    4
  • Hole Type
    Drilled
  • Thready Qty Per Inch (tpi)
    24
  • Hole Configuration Style
    Double hexagon longitudinal hole
  • Material
    Stainless steel
  • Material Specification
    23-112, fscm 08524, type a mfr ref single material response
  • Surface Treatment
    Passivate
  • Thread Series Designator
    Unjf
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 5306011077239

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
BM3326-5H31 Huck International, Inc.
S371-5 Huck International, Inc.
VS3060-5 Arconic Global Fasteners & Rings,
ST3M571-5H31 Hi-shear Corporation
ST3M571-5H31 Lisi Aerospace Canada Corp
BM3326-5H31 Huck Intl Inc
ST3M571-5H31 Valley-todeco, Inc.
ST3M571-5H31 J M Precision Inc
ST3M571-5H31 Sps Technologies, Llc
ST3M571-5H31 Sonic Industries Inc.
ST3M571-5H31 Sps Technologies, Llc
ST3M571-5H31 Sps Technologies, Llc
ST3M571-5H31 Alcoa Global Fasteners, Inc.
ST3M571-5H31 Huck Intl Inc
ST3M571-5H31 Boeing Company, The
S371-5 Huck Intl Inc
VAL23033-5 Valley-todeco, Inc.
74328-5 Sps Technologies, Llc
74328-5 Sps Technologies, Llc
VS3060-5 Alcoa Global Fasteners, Inc.
GS1030-5H31 B & B Specialties Inc.
Stock Check
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