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NSN 5305-01-477-5626

High Torque Screw

About this product

Between 1.542 inches and 1.629 inches fastener length, flat countersunk undercut head style, between 0.756 inches and 0.760 inches head diameter, head height: between 0.115 inches and 0.117 inches .

Manufacturer part number HT4020-6-15A for national stock number 5305014775626.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-477-5626.

  • MPN or Model

    HT4020-6-15A

  • 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 0.615 inches and 0.682 inches
  • Fastener Length
    Between 1.542 inches and 1.629 inches
  • Head Style
    Flat countersunk undercut
  • Head Diameter
    Between 0.756 inches and 0.760 inches
  • Head Height
    Between 0.115 inches and 0.117 inches
  • End Application
    Fighter aircraft- first (f18 e/f)
  • Thread Diameter
    0.375 inches
  • Thready Qty Per Inch (tpi)
    24
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Criticality Code Justification
    Agav
  • Material
    Steel comp xm-13
  • Material Specification
    Ams5629 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 5305014775626

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
HT4020-6-15A Hi-shear Corporation
HT4020-6-15A Lisi Aerospace Canada Corp
ST3M652C6-15A Boeing Company, The
11925C6-15A Reid Products Inc.
WC4020-6-15A West Coast Aerospace Inc
ST3M652C6-15A Valley-todeco, Inc.
HT4020-6-15A Sps Technologies, Llc
HT4020-6-15A Arconic Global Fasteners & Rings,
ST3M652C6-15A Heartland Precision Fasteners, Inc.
HT4020-6-15A Huck International, Inc.
HT4020-6-15A Sps Technologies, Llc
HT4020-6-15A Sps Technologies, Llc
ST3M652C6-15A Fastener Innovation Technology, Inc.
HT4020-6-15A Sps Technologies, Llc
HT4020-6-15A Alcoa Global Fasteners, Inc.
HT4020-6-15A Sps Technologies Ltd Tj Brooks
ST3M652C6-15A Houston Precision Fasteners I, Lp
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