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NSN 5305-01-322-9055

High Torque Screw

About this product

Between 1.007 inches and 1.037 inches fastener length, flat countersunk undercut head style, between 0.376 inches and 0.385 inches head diameter, head height: 0.095 inches .

Manufacturer part number ST3M547-4-10 for national stock number 5305013229055.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-322-9055.

  • MPN or Model

    ST3M547-4-10

  • 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
    0.397 inches
  • Fastener Length
    Between 1.007 inches and 1.037 inches
  • Head Style
    Flat countersunk undercut
  • Head Diameter
    Between 0.376 inches and 0.385 inches
  • Head Height
    0.095 inches
  • Grip Diameter
    Between 0.2797 inches and 0.2807 inches
  • Internal Drive Style
    Recessed type i
  • Thread Diameter
    0.250 inches
  • Grip Length
    Between 0.615 inches and 0.635 inches
  • Thready Qty Per Inch (tpi)
    28
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Material
    Steel
  • Surface Treatment
    Cadmium
  • Thread Series Designator
    Unjf
  • Specification Data
    76301-st3-547-4-10 professional/industrial association specification
More from these suppliers
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 5305013229055

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
ST3M547-4-10 Boeing Company, The
ST3M547-4-10 Boeing Company, The
ST3M547-4-10 Boeing Company, The
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