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NSN 5305-01-194-9198

High Torque Screw

About this product

Furnished with o'ring.

Manufacturer part number HT4058-3-8A for national stock number 5305011949198.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-194-9198.

  • MPN or Model

    HT4058-3-8A

  • Schedule B
    8109.90.0000 (Zirconium and articles thereof nesoi)
  • NMF (National Motor Freight)
    136500 - Metal NOI/metal Alloys NOI
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.380 inches and 0.447 inches
  • Fastener Length
    Between 0.890 inches and 0.937 inches
  • Head Style
    Flat countersunk undercut
  • Head Diameter
    Between 0.4625 inches and 0.4676 inches
  • Head Height
    Between 0.0800 inches and 0.0820 inches
  • Grip Diameter
    Between 0.1890 inches and 0.1895 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.190 inches
  • Grip Length
    Between 0.490 inches and 0.510 inches
  • Thready Qty Per Inch (tpi)
    32
  • Countersink Angle
    100.0 degrees
  • Surface Finish
    32.0 microinches threads
  • Material
    Titanium alloy
  • Material Specification
    Ams 4967 6al-4v assn standard single material 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 5305011949198

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
HT4058-3-8A Arconic Global Fasteners & Rings,
HT4058-3-8A Huck International, Inc.
HT353P3-8 Hi-shear Corporation
HT4058-3-8A Sps Technologies, Llc
HT353P3-8 Lisi Aerospace Canada Corp
ST3M794V3-8A Boeing Company, The
HT4058-3-8A Alcoa Global Fasteners, Inc.
HT4058-3-8A Sps Technologies, Llc
ST3M794V3-8A Sps Technologies, Llc
ST3M794V3-8A Sps Technologies Ltd Tj Brooks
HT4058-3-8A Huck Intl Inc
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