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NSN 5305-00-043-0529

High Torque Screw

About this product

1.279 inches fastener length, crowned hexagon head style, between 0.131 inches and 0.141 inches head height, width between flats: between 0.429 inches and 0.439 inches .

Manufacturer part number 7823864-1-04-13 for national stock number 5305000430529.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-00-043-0529.

  • MPN or Model

    7823864-1-04-13

  • 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
    1.279 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
  • Locking Feature
    Detent ball grip
  • 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
    Cross recess type 1
  • Thread Diameter
    0.250 inches
  • Grip Length
    Between 0.312 inches and 0.332 inches
  • Thready Qty Per Inch (tpi)
    28
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    1.151 inches first hole and 1.171 inches first hole
  • Material
    Steel
  • 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 5305000430529

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
7823864-1-04-13 Boeing Company, The
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