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NSN 5305-01-337-3289

High Torque Screw

About this product

Between 1.971 inches and 2.018 inches fastener length, flat countersunk undercut head style, between 0.840 inches and 0.888 inches head diameter, head height: between 0.130 inches and 0.133 inches .

Manufacturer part number HT359RNE7-21 for national stock number 5305013373289.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-337-3289.

  • MPN or Model

    HT359RNE7-21

  • Schedule B
    8109.90.0000 (Zirconium and articles thereof nesoi)
  • NMF (National Motor Freight)
    096640 - Screws, Iron Or Steel
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.675 inches
  • Fastener Length
    Between 1.971 inches and 2.018 inches
  • Head Style
    Flat countersunk undercut
  • Head Diameter
    Between 0.840 inches and 0.888 inches
  • Head Height
    Between 0.130 inches and 0.133 inches
  • Grip Diameter
    Between 0.4365 inches and 0.4370 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.438 inches
  • Grip Length
    Between 1.302 inches and 1.322 inches
  • Features Provided
    O ring
  • Thready Qty Per Inch (tpi)
    20
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Surface Finish
    32.0 microinches bearing surface of head32.0 microinches grip32.0 microinches threads
  • Material
    Rubber butadiene-acrylonitrile class nbr ringtitanium alloy uns r56400 fastener
  • Material Specification
    Ams 4967 assn standard single material response fastener
  • Surface Treatment
    Phosphate fastener
  • Surface Treatment Specification
    Bac5861, cagec 81205 mfr ref single treatment response fastener
  • 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 5305013373289

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
HT359RNE7-21 Hi-shear Corporation
HT359RNE7-21 Lisi Aerospace Canada Corp
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