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NSN 5305-01-183-4020

High Torque Screw

About this product

Between 0.691 inches and 0.721 inches fastener length, oval countersunk head style, between 0.297 inches and 0.302 inches head diameter, grip diameter: between 0.1890 inches and 0.1895 inches .

Manufacturer part number HT4031-3-6 for national stock number 5305011834020.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-183-4020.

  • MPN or Model

    HT4031-3-6

  • 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 0.306 inches and 0.356 inches
  • Fastener Length
    Between 0.691 inches and 0.721 inches
  • Head Style
    Oval countersunk
  • Head Diameter
    Between 0.297 inches and 0.302 inches
  • Grip Diameter
    Between 0.1890 inches and 0.1895 inches
  • Internal Drive Style
    High-torque
  • End Application
    Aircraft, b-1b
  • Thread Diameter
    0.190 inches
  • Grip Length
    Between 0.365 inches and 0.385 inches
  • Thready Qty Per Inch (tpi)
    32
  • 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 5305011834020

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
HT4031-3-6 Hi-shear Corporation
HT4031-3-6 Lisi Aerospace Canada Corp
HT4031-3-6 Arconic Global Fasteners & Rings,
HT4031-3-6 Huck International, Inc.
HT4031-3-6 Sps Technologies, Llc
HT4031-3-6 Huck Intl Inc
HT4031-3-6 Alcoa Global Fasteners, Inc.
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