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NSN 5305-01-241-0757

High Torque Screw

About this product

Furnished with one o-ring; cetyl alcohol lubricant.

Manufacturer part number HT4020-6-19A for national stock number 5305012410757.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-241-0757.

  • MPN or Model

    HT4020-6-19A

  • 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 0.614 inches and 0.681 inches
  • Fastener Length
    Between 1.812 inches and 1.859 inches
  • Head Style
    Flat countersunk undercut
  • Head Diameter
    Between 0.756 inches and 0.760 inches
  • Head Height
    Between 0.115 inches and 0.116 inches
  • Grip Diameter
    Between 0.3740 inches and 0.3745 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.375 inches
  • Grip Length
    Between 1.178 inches and 1.198 inches
  • Thready Qty Per Inch (tpi)
    24
  • Min. Tensile Strength (psi)
    125000 pounds per square inch
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Surface Finish
    32.0 microinches threads
  • 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 5305012410757

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
HT4020-6-19A Huck International, Inc.
HT4020-6-19A Arconic Global Fasteners & Rings,
HT4020-6-19A Hi-shear Corporation
HT4020-6-19A Sps Technologies, Llc
HT4020-6-19A Lisi Aerospace Canada Corp
ST3M652C6-19A Boeing Company, The
ST3M652C6-19A Alcoa Global Fasteners, Inc.
ST3M652C6-19A Sps Technologies Ltd Tj Brooks
HT4020-6-19A Huck Intl Inc
10113572 Nimikkeistokeskus Ncb Finland
HT4020-6-19A Alcoa Global Fasteners, Inc.
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