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NSN 5305-01-372-2326

High Torque Screw

About this product

Between 1.126 inches and 1.156 inches fastener length, flat countersunk head style, between 0.510 inches and 0.564 inches head diameter, grip diameter: between 0.4045 inches and 0.4055 inches .

Manufacturer part number HT4068-6-8Y for national stock number 5305013722326.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-372-2326.

  • MPN or Model

    HT4068-6-8Y

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    096640 - Screws, Iron Or Steel
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.616 inches and 0.666 inches
  • Fastener Length
    Between 1.126 inches and 1.156 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.510 inches and 0.564 inches
  • Grip Diameter
    Between 0.4045 inches and 0.4055 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.375 inches
  • Grip Length
    Between 0.490 inches and 0.510 inches
  • Thready Qty Per Inch (tpi)
    24
  • Countersink Angle
    101.0 degrees
  • Material
    Steel comp xm-13
  • Material Specification
    Ams5629 assn standard single material response
  • Surface Treatment
    Aluminum and chromate
  • Surface Treatment Specification
    Mil-c-83488, type 2, cl 3 military specification single treatment response
  • Thread Series Designator
    Unjf
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Close Tolerance Screw

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (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 designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

Mechanic Bill explains High Torque Screw

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NSN 5305013722326

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
HT4068-6-8Y Hi-shear Corporation
HT4068-6-8Y Lisi Aerospace Canada Corp
HT4068-6-8Y Alcoa Global Fasteners, Inc.
HT4068-6-8Y Sps Technologies, Llc
HT4068-6-8Y Huck International, Inc.
HT4068-6-8Y Arconic Global Fasteners & Rings,
HT4068-6-8Y Huck Intl Inc
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