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NSN 5306-00-320-4479

Close Tolerance Hex Head Bolt

About this product

Between 0.705 inches and 0.745 inches fastener length, undercut hexagon head style, between 0.110 inches and 0.125 inches head height, width between flats: between 0.367 inches and 0.376 inches .

Manufacturer part number NAS6603-6 for national stock number 5306003204479.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-00-320-4479.

  • MPN or Model

    NAS6603-6

  • 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 0.320 inches and 0.370 inches
  • Fastener Length
    Between 0.705 inches and 0.745 inches
  • Head Style
    Undercut hexagon
  • Head Height
    Between 0.110 inches and 0.125 inches
  • Width Between Flats
    Between 0.367 inches and 0.376 inches
  • Grip Diameter
    Between 0.1885 inches and 0.1895 inches
  • Thread Diameter
    0.190 inches
  • Grip Length
    Between 0.365 inches and 0.385 inches
  • Thready Qty Per Inch (tpi)
    32
  • Surface Finish
    32.0 microinches threads
  • Material
    Steel comp e4340 or steel comp 4340 or steel comp 8740 or steel comp 8740
  • Surface Treatment
    Cadmium and chromate
  • Surface Treatment Specification
    Qq-p-416, type 2, class 3 federal specification single treatment response
  • Thread Series Designator
    Unjf
  • Specification Data
    81205-bacb30ne manufacturers standard
More from these suppliers
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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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS6603-6 National Aerospace Standards
BACB30NE3-6 Sps Technologies, Llc
BACB30NE3-6 Arconic Global Fasteners & Rings,
BACB30NE3-6 Sps Technologies, Llc
BACB30NE3-6 Sps Technologies, Llc
BACB30NE3-6 Alcoa Global Fasteners, Inc.
BACB30NE3-6 The Boeing Company
10114231 Nimikkeistokeskus Ncb Finland
Stock Check
Availability for this item was last checked on 09/28/22. The quantities and conditions available at the time were:
  • NE: 56322
  • NS: 5843
  • OH: 1
  • AR: 1