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NSN 5305-00-485-8493

High Torque Screw

About this product

Between 2.261 inches and 2.291 inches fastener length, flat countersunk head style, between 0.328 inches and 0.385 inches head diameter, grip diameter: between 0.1885 inches and 0.1895 inches .

Manufacturer part number NAS1153V32D for national stock number 5305004858493.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-00-485-8493.

  • MPN or Model

    NAS1153V32D

  • Schedule B
    8109.90.0000 (Zirconium and articles thereof nesoi)
  • NMF (National Motor Freight)
    136500 - Metal NOI/metal Alloys NOI
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.251 inches and 0.301 inches
  • Fastener Length
    Between 2.261 inches and 2.291 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.328 inches and 0.385 inches
  • Grip Diameter
    Between 0.1885 inches and 0.1895 inches
  • Shank Unthreaded Hole Diameter
    0.060 inches first hole and 0.080 inches first hole
  • Internal Drive Style
    Offset cruciform (torque set)
  • Thread Diameter
    0.190 inches
  • Grip Length
    Between 1.990 inches and 2.010 inches
  • Thready Qty Per Inch (tpi)
    32
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Countersink Angle
    100.0 degrees
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    2.134 inches first hole and 2.184 inches first hole
  • Surface Finish
    32.0 microinches threads
  • Material
    Titanium alloy uns r54520
  • Material Specification
    Nas621, comp 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 5305004858493

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS1153V32D National Aerospace Standards
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