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NSN 5305-01-083-9573

High Torque Screw

About this product

Furnished with one o-ring.

Manufacturer part number HT4020-3-9A for national stock number 5305010839573.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-083-9573.

  • MPN or Model

    HT4020-3-9A

  • 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 0.380 inches and 0.447 inches
  • Fastener Length
    Between 0.952 inches and 0.999 inches
  • Head Style
    Flat countersunk undercut
  • Head Diameter
    Between 0.377 inches and 0.381 inches
  • Head Height
    Between 0.044 inches and 0.046 inches
  • Grip Diameter
    Between 0.1890 inches and 0.1895 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.190 inches
  • Grip Length
    Between 0.552 inches and 0.572 inches
  • Thready Qty Per Inch (tpi)
    32
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Surface Finish
    32.0 microinches threads
  • Material
    Stainless steel
  • Material Specification
    23-112, tyb fsc-76301 mfr ref single material response
  • Surface Treatment
    Passivate
  • 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 5305010839573

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
HT4020-3-9A Sps Technologies, Llc
HT4020-3-9A Hi-shear Corporation
HT4020-3-9A Arconic Global Fasteners & Rings,
HT4020-3-9A Huck International, Inc.
ST3M652C3-9A Fastener Innovation Technology, Inc.
WC4020-3-9A West Coast Aerospace Inc
HT4020-3-9A Lisi Aerospace Canada Corp
ST3M652C3-9A Boeing Company, The
HT4020-3-9A Huck Intl Inc
HT4020-3-9A Sps Technologies, Llc
HT4020-3-9A Alcoa Global Fasteners, Inc.
Stock Check
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