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NSN 5305-00-338-3211

High Torque Screw

About this product

Between 0.828 inches and 0.875 inches fastener length, flat countersunk head style, between 0.376 inches and 0.381 inches head diameter, grip diameter: between 0.1890 inches and 0.1895 inches .

Manufacturer part number 3M123-3-7 for national stock number 5305003383211.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-00-338-3211.

  • MPN or Model

    3M123-3-7

  • NMF (National Motor Freight)
    093486 - Bolts, Nuts Or Screws, NOI (sub 3)
  • Unit Weight (Est.)
    1.4 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.380 inches and 0.447 inches
  • Fastener Length
    Between 0.828 inches and 0.875 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.376 inches and 0.381 inches
  • Grip Diameter
    Between 0.1890 inches and 0.1895 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.190 inches
  • Grip Length
    Between 0.428 inches and 0.448 inches
  • Thready Qty Per Inch (tpi)
    32
  • Countersink Angle
    100.0 degrees
  • Surface Finish
    32.0 microinches threads
  • Material
    Stainless steel
  • Thread Series Designator
    Unf
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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 5305003383211

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
3M123-3-7 Boeing Company, The
3M123-3-7 B&b Utilities Contractors
3M123-3-7 Donchar Industries, Inc
54291-3-7 Sps Technologies, Llc
HT1029A3-7 Arconic Global Fasteners & Rings,
3M123-3-7 Fastener Innovation Technology, Inc.
3M123-3-7 Sps Technologies, Llc
3M123-3-7 Alcoa Global Fasteners, Inc.
HT3N-7 Hi-shear Corporation
HT3N-7 Lisi Aerospace Canada Corp
HT1029A3-7 Alcoa Global Fasteners, Inc.
Stock Check
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