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NSN 5305-00-143-1863

High Torque Screw

About this product

Between 1.687 inches and 1.734 inches fastener length, flat countersunk head style, between 0.634 inches and 0.668 inches head diameter, grip diameter: between 0.4360 inches and 0.4370 inches .

Manufacturer part number 106334-7-20 for national stock number 5305001431863.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-00-143-1863.

  • MPN or Model

    106334-7-20

  • 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 0.427 inches and 0.494 inches
  • Fastener Length
    Between 1.687 inches and 1.734 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.634 inches and 0.668 inches
  • Grip Diameter
    Between 0.4360 inches and 0.4370 inches
  • Internal Drive Style
    Offset cruciform (torque set)
  • Thread Diameter
    0.437 inches
  • Grip Length
    Between 1.240 inches and 1.260 inches
  • Thready Qty Per Inch (tpi)
    20
  • Hardness Rating
    46.0 rockwell c and 50.0 rockwell c
  • Countersink Angle
    Between 99.5 degrees and 100.5 degrees
  • Material
    Steel comp h11
  • Material Specification
    Ams 6485 assn standard single material response
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    Nas 672 assn standard 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 5305001431863

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
106334-7-20 Sps Technologies, Llc
202-15522-7-20 Triumph Aerostructures, Llc
106334-7-20 Sps Technologies, Llc
Stock Check
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