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NSN 5306-01-063-0283

Close Tolerance Hex Head Bolt

About this product

Between 1.062 inches and 1.082 inches fastener length, double hexagon head style, between 0.154 inches and 0.174 inches head height, width between flats: between 0.430 inches and 0.439 inches .

Manufacturer part number ST3M750-4-11K for national stock number 5306010630283.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-063-0283.

  • MPN or Model

    ST3M750-4-11K

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    093470 - Bolts/nuts I/s
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.356 inches
  • Fastener Length
    Between 1.062 inches and 1.082 inches
  • Head Style
    Double hexagon
  • Head Height
    Between 0.154 inches and 0.174 inches
  • Width Between Flats
    Between 0.430 inches and 0.439 inches
  • Grip Diameter
    Between 0.2490 inches and 0.2495 inches
  • Thread Diameter
    0.250 inches
  • Grip Length
    Between 0.709 inches and 0.739 inches
  • Thready Qty Per Inch (tpi)
    28
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    0.944 inches all holes and 0.964 inches all holes
  • Material
    Stainless steel
  • 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 5306010630283

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
ST3M750-4-11K Boeing Company, The
121933-4-11K Sps Technologies, Llc
121933-4-11K Sps Technologies, Llc
ST3M750-4-11K Sps Technologies, Llc
ST3M750-4-11K J M Precision Inc
ST3M750-4-11K Hi-shear Corporation
ST3M750-4-11K Alcoa Global Fasteners, Inc.
ST3M750-4-11K Lisi Aerospace Canada Corp
Stock Check
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