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NSN 5305-01-339-5012

High Torque Screw

About this product

Between 4.619 inches and 4.649 inches fastener length, flat countersunk head style, between 1.219 inches and 1.323 inches head diameter, grip diameter: between 0.8735 inches and 0.8740 inches .

Manufacturer part number NAS8714DU62 for national stock number 5305013395012.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-339-5012.

  • MPN or Model

    NAS8714DU62

  • 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
    0.759 inches
  • Fastener Length
    Between 4.619 inches and 4.649 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 1.219 inches and 1.323 inches
  • Grip Diameter
    Between 0.8735 inches and 0.8740 inches
  • Shank Unthreaded Hole Diameter
    0.141 inches first hole and 0.146 inches first hole
  • Internal Drive Style
    Cross recess type 1
  • Thread Diameter
    0.875 inches
  • Grip Length
    Between 3.865 inches and 3.885 inches
  • Thready Qty Per Inch (tpi)
    14
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    4.206 inches first hole
  • Surface Finish
    32.0 microinches bearing surface of head32.0 microinches grip32.0 microinches threads
  • Material
    Iron alloy 660
  • Material Specification
    Ams 5731 assn standard single material response or ams 5737 assn standard single material response
  • Surface Treatment
    Passivate
  • Thread Series Designator
    Unjf
  • Specification Data
    80205-nas8714 professional/industrial association standard
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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 5305013395012

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS8714DU62 National Aerospace Standards
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