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NSN 5306-01-210-2916

Close Tolerance Hex Head Bolt

About this product

Between 1.838 inches and 1.868 inches fastener length, undercut hexagon head style, between 0.250 inches and 0.265 inches head height, width between flats: between 0.741 inches and 0.752 inches .

Manufacturer part number BACB30NF8-21 for national stock number 5306012102916.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-210-2916.

  • MPN or Model

    BACB30NF8-21

  • 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 0.516 inches and 0.566 inches
  • Fastener Length
    Between 1.838 inches and 1.868 inches
  • Head Style
    Undercut hexagon
  • Head Height
    Between 0.250 inches and 0.265 inches
  • Width Between Flats
    Between 0.741 inches and 0.752 inches
  • Grip Diameter
    Between 0.4985 inches and 0.4995 inches
  • Thread Diameter
    0.500 inches
  • Grip Length
    Between 1.302 inches and 1.322 inches
  • Thready Qty Per Inch (tpi)
    20
  • Min. Tensile Strength (psi)
    140000 pounds per square inch
  • Surface Finish
    32.0 microinches threads
  • Material
    Steel comp e4340 or steel comp 8740
  • Material Specification
    Mil-s-5000 military specification 1st material response or mil-s-6049 military specification 2nd material response or ams 6322 assn standard 2nd material response
  • Surface Treatment
    Cadmium and chromate
  • Surface Treatment Specification
    Qq-p-416 type 2 cl 2 federal 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 5306012102916

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
BACB30NF8-21 Huck International, Inc.
BACB30NF8-21 Illinois Tool Works Inc.
BACB30NF8-21 Valley-todeco, Inc.
BACB30NF8-21 The Boeing Company
BACB30NF8-21 Sps Technologies, Llc
BACB30NF8-21 Arconic Global Fasteners & Rings,
BACB30NF8-21 Federal Manufacturing Corporation
BACB30NF8-21 Sps Technologies, Llc
BACB30NF8-21 Sps Technologies, Llc
BACB30NF8-21 Alcoa Global Fasteners, Inc.
BACB30NF8-21 Huck Intl Inc
BACB30NF8-21 Sps Technologies, Llc
Stock Check
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