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NSN 5305-01-451-7951

High Torque Screw

About this product

Between 1.313 inches and 1.328 inches fastener length, flat countersunk undercut head style, 0.826 inches head diameter, head height: 0.156 inches .

Manufacturer part number LD111-0045-0613 for national stock number 5305014517951.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-451-7951.

  • MPN or Model

    LD111-0045-0613

  • 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
    0.516 inches
  • Fastener Length
    Between 1.313 inches and 1.328 inches
  • Head Style
    Flat countersunk undercut
  • Head Diameter
    0.826 inches
  • Head Height
    0.156 inches
  • Grip Diameter
    Between 0.3896 inches and 0.3901 inches
  • Internal Drive Style
    Offset cruciform (torque set)
  • Thread Diameter
    0.437 inches
  • Grip Length
    0.812 inches
  • Thready Qty Per Inch (tpi)
    20
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Material
    Steel comp xm-13
  • Material Specification
    Ams 5629 assn standard single material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Qq-p-35 federal specification single treatment response
  • 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 5305014517951

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
LD111-0045-0613 Boeing Company, The
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