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NSN 5305-00-409-9859

High Torque Screw

About this product

Between 0.937 inches and 0.984 inches fastener length, flat countersunk head style, between 0.555 inches and 0.560 inches head diameter, grip diameter: between 0.3735 inches and 0.3745 inches .

Manufacturer part number HT6V9 for national stock number 5305004099859.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-00-409-9859.

  • MPN or Model

    HT6V9

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    093486 - Bolts, Nuts Or Screws, NOI (sub 3)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.282 inches and 0.432 inches
  • Fastener Length
    Between 0.937 inches and 0.984 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.555 inches and 0.560 inches
  • Grip Diameter
    Between 0.3735 inches and 0.3745 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.375 inches
  • Grip Length
    Between 0.552 inches and 0.572 inches
  • Thready Qty Per Inch (tpi)
    24
  • Countersink Angle
    100.0 degrees
  • Surface Finish
    16.0 microinches grip
  • Part Name Assigned By Controlling Agency
    Navy special project
  • Material
    Steel comp 431
  • Material Specification
    Mil-s-18732 military specification single material response
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    Nas 672 assn standard single treatment response
  • Thread Series Designator
    Unf
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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 5305004099859

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
HT6V9 Hi-shear Corporation
HT6V9 Hi-shear Corporation
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