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NSN 5305-00-144-4096

High Torque Screw

About this product

O-ring included.

Manufacturer part number HT4UA47 for national stock number 5305001444096.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-00-144-4096.

  • MPN or Model

    HT4UA47

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.469 inches
  • Fastener Length
    3.407 inches
  • Head Style
    Flat countersunk undercut
  • Head Diameter
    Between 0.502 inches and 0.506 inches
  • Head Height
    Between 0.071 inches and 0.073 inches
  • Grip Diameter
    Between 0.2485 inches and 0.2495 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.250 inches
  • Grip Length
    2.938 inches
  • Thready Qty Per Inch (tpi)
    28
  • Hardness Rating
    36.0 rockwell c and 40.0 rockwell c
  • Countersink Angle
    100.0 degrees
  • Material
    Steel comp 4130 or steel comp 4140 or steel comp 4340 or steel comp 8735 or steel comp 8740
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    Qq-p-416 ty ii cl b 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 5305001444096

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
HT4UA47 Hi-shear Corporation
54266-4-47 Sps Technologies, Llc
HT408A4-47 Alcoa Global Fasteners, Inc.
HT408A4-47 Alcoa Fastening Systems
HT4UA47 Alcoa Fastening Systems
54266-4-47 Sps Technologies, Llc
3M46-4-47 Boeing Company, The
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