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NSN 5305-00-814-5939

High Torque Screw

About this product

Between 0.515 inches and 0.562 inches fastener length, flat countersunk head style, between 0.376 inches and 0.381 inches head diameter, grip diameter: between 0.1885 inches and 0.1895 inches .

Manufacturer part number HT1029A3-2 for national stock number 5305008145939.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-00-814-5939.

  • MPN or Model

    HT1029A3-2

  • 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)
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.380 inches and 0.447 inches
  • Fastener Length
    Between 0.515 inches and 0.562 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.376 inches and 0.381 inches
  • Grip Diameter
    Between 0.1885 inches and 0.1895 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.190 inches
  • Grip Length
    Between 0.115 inches and 0.135 inches
  • Thready Qty Per Inch (tpi)
    32
  • Countersink Angle
    100.0 degrees
  • Surface Finish
    32.0 microinches threads
  • Material
    Iron alloy 660
  • Material Specification
    Ams 5737 assn standard single material response
  • Surface Treatment
    Passivate
  • 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 5305008145939

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
HT1029A3-2 Arconic Global Fasteners & Rings,
3M123-3-2 Huck International, Inc.
3M123-3-2 Fastener Innovation Technology, Inc.
3M123-3-2 Hi-shear Corporation
3M123-3-2 Sps Technologies, Llc
3M123-3-2 Lisi Aerospace Canada Corp
HI3N2P Alcoa Fastening Systems
HT1029A3-2 Alcoa Fastening Systems
HI3N2P Hi-shear Corporation
3M123-3-2 Boeing Company, The
54291-3-2 Sps Technologies, Llc
HT1029A3-2 Alcoa Global Fasteners, Inc.
3M123-3-2 Alcoa Global Fasteners, Inc.
HT3N-2 Hi-shear Corporation
Stock Check
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