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NSN 5306-01-069-1542

Close Tolerance Hex Head Bolt

About this product

Between 1.527 inches and 1.557 inches fastener length, spline extended washer head style, between 0.247 inches and 0.287 inches head height, width between flats: between 0.360 inches and 0.375 inches .

Manufacturer part number MS21297-05015 for national stock number 5306010691542.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-069-1542.

  • MPN or Model

    MS21297-05015

  • 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 0.579 inches and 0.629 inches
  • Fastener Length
    Between 1.527 inches and 1.557 inches
  • Head Style
    Spline extended washer
  • Head Height
    Between 0.247 inches and 0.287 inches
  • Width Between Flats
    Between 0.360 inches and 0.375 inches
  • Extended Washer Diameter
    Between 0.575 inches and 0.585 inches
  • Extended Washer Thickness
    Between 0.035 inches and 0.055 inches
  • Grip Diameter
    Between 0.3110 inches and 0.3120 inches
  • Thread Diameter
    0.312 inches
  • Grip Length
    Between 0.928 inches and 0.948 inches
  • Thready Qty Per Inch (tpi)
    24
  • Hardness Rating
    46.0 rockwell c and 50.0 rockwell c
  • Surface Finish
    32.0 microinches grip
  • Material
    Steel
  • Material Specification
    Ams 6487 assn standard single material response
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    Mil-c-8837 ty2 class 2 military 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 5306010691542

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
MS21297-05015 Sps Technologies, Llc
MS21297-05015 Sps Technologies, Llc
VFK101G5-015 Valley-todeco, Inc.
MS21297-05015 Huck International, Inc.
MS21297-05015 National Aerospace Standards
MS21297-05015 Military Standards
MS21297-05015 Huck Intl Inc
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