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NSN 5305-00-043-0539

High Torque Screw

About this product

Retaining elements in shank matt2aadsta000.

Manufacturer part number 7823864-1-04-34 for national stock number 5305000430539.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-00-043-0539.

  • MPN or Model

    7823864-1-04-34

  • 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 0.268 inches and 0.315 inches
  • Fastener Length
    2.582 inches
  • Head Style
    Crowned hexagon
  • Head Height
    Between 0.131 inches and 0.141 inches
  • Width Between Flats
    Between 0.429 inches and 0.439 inches
  • Grip Diameter
    Between 0.2483 inches and 0.2492 inches
  • Shank Unthreaded Hole Diameter
    0.076 inches first hole and 0.086 inches first hole
  • Internal Drive Style
    Slot
  • Thread Diameter
    0.250 inches
  • Grip Length
    Between 2.125 inches and 2.145 inches
  • Thready Qty Per Inch (tpi)
    28
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    2.464 inches first hole
  • Material
    Steel
  • Material Specification
    1886 fscm 88277 mfr ref single material 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 5305000430539

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
7823864-1-04-34 Boeing Company, The
7823864-1-04-34 Avibank Mfg., Inc.
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