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NSN 5305-01-357-9350

High Torque Screw

About this product

Between 1.074 inches and 1.104 inches fastener length, flat countersunk head style, 0.381 inches head diameter, grip diameter: between 0.1890 inches and 0.1895 inches .

Manufacturer part number NAS663V12 for national stock number 5305013579350.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-357-9350.

  • MPN or Model

    NAS663V12

  • Schedule B
    8109.90.0000 (Zirconium and articles thereof nesoi)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.314 inches and 0.364 inches
  • Fastener Length
    Between 1.074 inches and 1.104 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    0.381 inches
  • Grip Diameter
    Between 0.1890 inches and 0.1895 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.190 inches
  • Grip Length
    Between 0.740 inches and 0.760 inches
  • Thready Qty Per Inch (tpi)
    32
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Countersink Angle
    101.0 degrees
  • Material
    Titanium alloy
  • 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 5305013579350

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS663V12 National Aerospace Standards
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