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NSN 5305-01-434-3298

High Torque Screw

About this product

Between 1.204 inches and 1.234 inches fastener length, flat countersunk undercut head style, between 0.629 inches and 0.634 inches head diameter, head height: 0.490 inches .

Manufacturer part number 3M925C5-11A for national stock number 5305014343298.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-434-3298.

  • MPN or Model

    3M925C5-11A

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    096640 - Screws, Iron Or Steel
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.531 inches
  • Fastener Length
    Between 1.204 inches and 1.234 inches
  • Head Style
    Flat countersunk undercut
  • Head Diameter
    Between 0.629 inches and 0.634 inches
  • Head Height
    0.490 inches
  • Grip Diameter
    Between 0.3110 inches and 0.3120 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.312 inches
  • Grip Length
    Between 0.678 inches and 0.698 inches
  • Features Provided
    O ring
  • 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
  • Surface Treatment
    Aluminum
  • Surface Treatment Specification
    Mil-c-83488, type 2, class 3 military 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 5305014343298

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
3M925C5-11A Boeing Company, The
11881C5-11A Reid Products Inc.
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