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NSN 5305-01-521-4848

High Torque Screw

About this product

Thread end to be identified w/black dye or paint.

Manufacturer part number BACB30NN3K10 for national stock number 5305015214848.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-521-4848.

  • MPN or Model

    BACB30NN3K10

  • Schedule B
    8109.90.0000 (Zirconium and articles thereof nesoi)
  • NMF (National Motor Freight)
    096640 - Screws, Iron Or Steel
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.345 inches
  • Fastener Length
    0.972 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.345 inches and 0.383 inches
  • Grip Diameter
    0.1895 inches
  • Internal Drive Style
    Cross recess type iii
  • End Application
    Aircraft, b757
  • Thread Diameter
    0.190 inches
  • Grip Length
    0.625 inches
  • Thready Qty Per Inch (tpi)
    32
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Material
    Titanium alloy
  • Surface Treatment
    Aluminum
  • Thread Series Designator
    Unjf
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 5305015214848

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
BACB30NN3K10 The Boeing Company
BACB30NN3K10 Boeing Defence Australia Ltd
BACB30NN3K10 Boeing Defence Australia Ltd
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