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NSN 5305-01-129-7603

High Torque Screw

About this product

Between 0.830 inches and 0.860 inches fastener length, flat countersunk head style, between 0.578 inches and 0.633 inches head diameter, grip diameter: between 0.3115 inches and 0.3120 inches .

Manufacturer part number NAS665V6HT for national stock number 5305011297603.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-129-7603.

  • MPN or Model

    NAS665V6HT

  • 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 0.445 inches and 0.495 inches
  • Fastener Length
    Between 0.830 inches and 0.860 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.578 inches and 0.633 inches
  • Grip Diameter
    Between 0.3115 inches and 0.3120 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.312 inches
  • Grip Length
    Between 0.365 inches and 0.385 inches
  • Thready Qty Per Inch (tpi)
    24
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Surface Finish
    32.0 microinches threads
  • Material
    Titanium alloy
  • Material Specification
    Nas 621 assn standard single material response
  • Thread Series Designator
    Unjf
  • Specification Data
    80205-nas665 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 5305011297603

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS665V6HT National Aerospace Standards
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