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NSN 5305-01-625-0393

High Torque Screw

About this product

0.719 inches fastener length, fillister countersunk head style, between 0.3898 inches and 0.3948 inches head diameter, head height: 0.015 inches .

Manufacturer part number ST3M466V4L4M1 for national stock number 5305016250393.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-625-0393.

  • MPN or Model

    ST3M466V4L4M1

  • Schedule B
    8108.90.8000 (Other wrought titanium, nesoi)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.469 inches
  • Fastener Length
    0.719 inches
  • Head Style
    Fillister countersunk
  • Head Diameter
    Between 0.3898 inches and 0.3948 inches
  • Head Height
    0.015 inches
  • Grip Diameter
    Between 0.2490 inches and 0.2495 inches
  • Internal Drive Style
    High-torque
  • End Application
    F-15sa
  • Thread Diameter
    0.2500 inches
  • Grip Length
    0.25 inches
  • Features Provided
    Dry film lubricant
  • Thready Qty Per Inch (tpi)
    28
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Material
    Titanium alloy uns r56400
  • 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 5305016250393

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
ST3M466V4L4M1 Boeing Company, The
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