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NSN 5306-01-077-1005

Close Tolerance Hex Head Bolt

About this product

Detent ring in shank.

Manufacturer part number ST3M735-4-7 for national stock number 5306010771005.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-077-1005.

  • MPN or Model

    ST3M735-4-7

  • 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)
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.282 inches and 0.333 inches
  • Fastener Length
    Between 0.856 inches and 0.876 inches
  • Head Style
    Dished hexagon
  • Head Height
    Between 0.126 inches and 0.141 inches
  • Width Between Flats
    Between 0.430 inches and 0.439 inches
  • Grip Diameter
    Between 0.2483 inches and 0.2492 inches
  • Shank Unthreaded Hole Diameter
    0.076 inches first hole and 0.086 inches first hole
  • Thread Diameter
    0.250 inches
  • Grip Length
    Between 0.438 inches and 0.454 inches
  • Thready Qty Per Inch (tpi)
    28
  • Hardness Rating
    36.0 rockwell c and 41.0 rockwell c
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    0.756 inches first hole and 0.786 inches first hole
  • Surface Finish
    63.0 microinches grip
  • Material
    Steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 4130 or steel comp 6150
  • Surface Treatment
    Cadmium and chromate
  • Surface Treatment Specification
    Qq-p-416 type 2 cl 2 federal specification single treatment response
  • Thread Series Designator
    Unjf
  • Specification Data
    76301-st3-735 manufacturers standard
More from these suppliers
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 5306010771005

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
ST3M735-4-7 Boeing Company, The
121673-4-7 Sps Technologies, Llc
ST3M735-4-7 Alcoa Global Fasteners, Inc.
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