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NSN 5306-01-043-5730

Close Tolerance Hex Head Bolt

About this product

Between 0.840 inches and 0.887 inches fastener length, double hexagon head style, between 0.200 inches and 0.220 inches head height, width between flats: between 0.553 inches and 0.564 inches .

Manufacturer part number BM17022S-6-7A for national stock number 5306010435730.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-043-5730.

  • MPN or Model

    BM17022S-6-7A

  • 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 0.392 inches and 0.459 inches
  • Fastener Length
    Between 0.840 inches and 0.887 inches
  • Head Style
    Double hexagon
  • Head Height
    Between 0.200 inches and 0.220 inches
  • Width Between Flats
    Between 0.553 inches and 0.564 inches
  • Grip Diameter
    Between 0.3733 inches and 0.3742 inches
  • Thread Diameter
    0.375 inches
  • Grip Length
    Between 0.428 inches and 0.448 inches
  • Thready Qty Per Inch (tpi)
    24
  • Part Name Assigned By Controlling Agency
    Navy special project
  • Material
    Steel comp h11
  • Surface Treatment
    Aluminum
  • Thread Series Designator
    Unjf
  • Specification Data
    85495-b-170225 manufacturers standard
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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 5306010435730

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
BM17022S-6-7A Huck International, Inc.
72901-6-A7 Sps Technologies, Llc
GB511BG6-7 Sps Technologies, Llc
GB511BG6-7 Valley-todeco, Inc.
GB511BG6-7 Alcoa Global Fasteners, Inc.
GB511BG6-7 Northrop Grumman Systems Corporation
BM17022S-6-7A Huck Intl Inc
BM17022S-6-7A Precision Fastening Sub Omark
72901-6-A7 Sps Technologies, Llc
GB511BG6-7 Northrop Grumman Systems Corporation
BM17022S-6-7A Huck Intl Inc
Stock Check
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