1-321-802-5889

NSN 5306-01-168-0876

Close Tolerance Hex Head Bolt

About this product

Between 2.074 inches and 2.104 inches fastener length, spline drive shear head head style, 0.350 inches head height, grip diameter: between 0.6230 inches and 0.6240 inches .

Manufacturer part number MIL-B-8906/2 for national stock number 5306011680876.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-168-0876.

  • MPN or Model

    MIL-B-8906/2

  • 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.)
    0.3 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.752 inches and 0.802 inches
  • Fastener Length
    Between 2.074 inches and 2.104 inches
  • Head Style
    Spline drive shear head
  • Head Height
    0.350 inches
  • Grip Diameter
    Between 0.6230 inches and 0.6240 inches
  • Head Minor Diameter
    0.967 inches
  • Thread Diameter
    0.625 inches
  • Grip Length
    Between 1.302 inches and 1.322 inches
  • Thready Qty Per Inch (tpi)
    18
  • Min. Tensile Strength (psi)
    49000 pounds per square inch
  • Hardness Rating
    46.0 rockwell c and 50.0 rockwell c
  • Material
    Steel comp h11
  • Material Specification
    Ams 6487 assn standard single material response
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    Mil-c-8837 military 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 5306011680876

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
MIL-B-8906/2 National Aerospace Standards
M8906/2-10-21 National Aerospace Standards
M8906/2-10-21 Military Specifications
MIL-B-8906/2A Military Specifications
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