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NSN 5306-00-127-7925

Close Tolerance Hex Head Bolt

About this product

3.375 inches fastener length, double hexagon w/hole head style, 0.375 inches head height, width between flats: between 0.367 inches and 0.376 inches .

Manufacturer part number 6844832-1439 for national stock number 5306001277925.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-00-127-7925.

  • MPN or Model

    6844832-1439

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    093486 - Bolts, Nuts Or Screws, NOI (sub 3)
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.750 inches and 0.810 inches
  • Fastener Length
    3.375 inches
  • Head Style
    Double hexagon w/hole
  • Head Height
    0.375 inches
  • Width Between Flats
    Between 0.367 inches and 0.376 inches
  • Extended Washer Diameter
    0.500 inches
  • Extended Washer Thickness
    Between 0.070 inches and 0.080 inches
  • Grip Diameter
    Between 0.3110 inches and 0.3120 inches
  • Thread Diameter
    0.312 inches
  • Grip Length
    Between 2.565 inches and 2.625 inches
  • Thready Qty Per Inch (tpi)
    24
  • Min. Tensile Strength (psi)
    125000 pounds per square inch
  • Hardness Rating
    26.0 rockwell c and 32.0 rockwell c
  • Surface Finish
    32.0 microinches threads
  • Material
    Steel comp 8740
  • Material Specification
    Ams 6322 assn standard single material response
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    Ams 2400 assn standard single treatment 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 5306001277925

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
6844832-1439 Rolls-royce Corporation
6844832-1439 Allison Transmission, Inc.
6844832-1439 Valley-todeco, Inc.
6844832-1439 Sps Technologies, Llc
6844832-1439 Alcoa Global Fasteners, Inc.
Stock Check
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