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NSN 5305-01-624-5551

High Torque Screw

About this product

1.2185 inches fastener length, flat countersunk undercut head style, between 0.3765 inches and 0.3813 inches head diameter, head height: between 0.0439 inches and 0.0459 inches .

Manufacturer part number 3M925C3-13D for national stock number 5305016245551.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-624-5551.

  • MPN or Model

    3M925C3-13D

  • 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
    0.406 inches
  • Fastener Length
    1.2185 inches
  • Head Style
    Flat countersunk undercut
  • Head Diameter
    Between 0.3765 inches and 0.3813 inches
  • Head Height
    Between 0.0439 inches and 0.0459 inches
  • Grip Diameter
    Between 0.1885 inches and 0.1895 inches
  • Internal Drive Style
    High-torque
  • End Application
    F-15sa
  • Thread Diameter
    0.1900 inches
  • Grip Length
    0.8125 inches
  • Features Provided
    Cetyl alcohol lubricant
  • Thready Qty Per Inch (tpi)
    32.0
  • Countersink Angle
    100.0 degrees
  • Material
    Steel comp xm-13
  • 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 5305016245551

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
3M925C3-13D Boeing Company, The
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