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NSN 5306-01-468-6973

Close Tolerance Hex Head Bolt

About this product

Between 1.415 inches and 1.435 inches fastener length, dished hexagon head style, between 0.157 inches and 0.172 inches head height, width between flats: between 0.492 inches and 0.502 inches .

Manufacturer part number MS27576C5-15 for national stock number 5306014686973.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-468-6973.

  • MPN or Model

    MS27576C5-15

  • 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 0.310 inches and 0.377 inches
  • Fastener Length
    Between 1.415 inches and 1.435 inches
  • Head Style
    Dished hexagon
  • Head Height
    Between 0.157 inches and 0.172 inches
  • Width Between Flats
    Between 0.492 inches and 0.502 inches
  • Locking Feature
    Detent ring grip
  • Grip Diameter
    Between 0.3108 inches and 0.3117 inches
  • Shank Unthreaded Hole Diameter
    0.076 inches first hole and 0.086 inches first hole
  • End Application
    1430-01-378-6963
  • Thread Diameter
    0.312 inches
  • Grip Length
    Between 0.938 inches and 0.954 inches
  • Thready Qty Per Inch (tpi)
    24
  • Min. Tensile Strength (psi)
    95000 pounds per square inch
  • Hardness Rating
    36.0 rockwell c and 41.0 rockwell c
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    1.300 inches first hole and 1.330 inches first hole
  • Surface Finish
    63.0 microinches grip
  • Material
    Steel comp 630
  • Material Specification
    Ams5643 assn standard single material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Qq-p-35 federal specification 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 5306014686973

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
MS27576C5-15 National Aerospace Standards
MS27576C5-15 Military Standards
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