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NSN 5306-01-146-6139

Close Tolerance Hex Head Bolt

About this product

Between 1.568 inches and 1.588 inches fastener length, spline drive shear head head style, 0.257 inches head height, grip diameter: between 0.4365 inches and 0.4370 inches .

Manufacturer part number S406-7-18 for national stock number 5306011466139.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-146-6139.

  • MPN or Model

    S406-7-18

  • 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 0.433 inches and 0.473 inches
  • Fastener Length
    Between 1.568 inches and 1.588 inches
  • Head Style
    Spline drive shear head
  • Head Height
    0.257 inches
  • Grip Diameter
    Between 0.4365 inches and 0.4370 inches
  • Head Minor Diameter
    Between 0.711 inches and 0.717 inches
  • Thread Diameter
    0.438 inches
  • Grip Length
    Between 1.115 inches and 1.135 inches
  • Thready Qty Per Inch (tpi)
    20
  • Material
    Steel comp xm-13
  • Material Specification
    Ams5629 assn standard single material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Qq-p-35 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 5306011466139

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
S406-7-18 Huck International, Inc.
VS3174-7-18 Arconic Global Fasteners & Rings,
ST3M744-7-18 Valley-todeco, Inc.
ST3M744-7-18 Sps Technologies, Llc
ST3M744-7-18 Sps Technologies, Llc
ST3M744-7-18 Sonic Industries Inc.
ST3M744-7-18 Sps Technologies, Llc
ST3M744-7-18 Alcoa Global Fasteners, Inc.
ST3M744-7-18 Hi-shear Corporation
ST3M744-7-18 Lisi Aerospace Canada Corp
ST3M744-7-18 Boeing Company, The
S406-7-18 Huck Intl Inc
PBF1265-7-18 Sps Technologies, Llc
VCG0001-7-18 Valley-todeco, Inc.
AIC687-7-18 Sps Technologies, Llc
122895-7-18 Sps Technologies, Llc
VS3174-7-18 Alcoa Global Fasteners, Inc.
MB154-7-18 Hi-shear Corporation
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