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NSN 5306-01-132-2174

Close Tolerance Hex Head Bolt

About this product

Holes drilled ninety degrees apart,plunger in thread end with self retaining element.

Manufacturer part number LB52T12-30 for national stock number 5306011322174.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-132-2174.

  • MPN or Model

    LB52T12-30

  • Schedule B
    8109.90.0000 (Zirconium and articles thereof nesoi)
  • NMF (National Motor Freight)
    136500 - Metal NOI/metal Alloys NOI
  • Unit Weight (Est.)
    0.4 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    1.104 inches
  • Fastener Length
    2.979 inches
  • Head Style
    Hexagon
  • Head Height
    0.351 inches
  • Width Between Flats
    Between 1.052 inches and 1.062 inches
  • Grip Diameter
    Between 0.7485 inches and 0.7490 inches
  • Shank Unthreaded Hole Diameter
    0.141 inches first hole and 0.151 inches first hole
  • Thread Diameter
    0.750 inches
  • Grip Length
    1.875 inches
  • Thready Qty Per Inch (tpi)
    16
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    2.319 inches first hole
  • Material
    Titanium alloy
  • Material Specification
    Nas 621 assn standard single material response
  • Thread Series Designator
    Unjf
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Close Tolerance Bolt

An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (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 not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.

Mechanic Bill explains Close Tolerance Hex Head Bolt

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NSN 5306011322174

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
LB52T12-30 Hi-shear Corporation
LB52-12-30 Hi-shear Corporation
LB46-12-30 Hi-shear Corporation
ST3M833V12-30 Boeing Company, The
ST3M833V12T30 Boeing Company, The
10115881 Nimikkeistokeskus Ncb Finland
LB52T12-30 Lisi Aerospace Canada Corp
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