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NSN 5306-00-397-1790

Externally Relieved Body Bolt

About this product

Between 2.450 inches and 2.490 inches fastener length, hexagon head style, between 0.203 inches and 0.235 inches head height, width between flats: between 0.553 inches and 0.565 inches .

Manufacturer part number 403R815H01 for national stock number 5306003971790.

Datasheet

  • Product description

    Externally Relieved Body Bolt NSN 5306-00-397-1790.

  • MPN or Model

    403R815H01

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.530 inches and 0.610 inches
  • Fastener Length
    Between 2.450 inches and 2.490 inches
  • Head Style
    Hexagon
  • Head Height
    Between 0.203 inches and 0.235 inches
  • Width Between Flats
    Between 0.553 inches and 0.565 inches
  • First Diameter From Head
    Between 0.319 inches and 0.329 inches
  • Distance From Largest Bearing Surface Of Head To End Of First Diameter
    Between 0.730 inches and 0.770 inches
  • Thread Diameter
    0.375 inches
  • Thready Qty Per Inch (tpi)
    24
  • Externally Relieved Body Diameter Quantity
    1
  • Material
    Steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4140 or steel comp 4130 or steel comp 4037
  • Material Specification
    Mil-s-6049 military specification 1st material response or mil-s-6050 military specification 2nd material response or mil-s-6098 military specification 3rd material response or mil-s-5626 military specification 4th material response or mil-s-6758 military specification 5th material response or ams 6300 assn standard 6th material response
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    Qq-p-416, type 2, class 3 federal specification single treatment response
  • Thread Series Designator
    Unf
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Externally Relieved Body Bolt

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is no. 10 (0.190 in.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, internal wrenching and thumbscrew. See also screw, externally relieved body.

Mechanic Bill explains Externally Relieved Body Bolt

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NSN 5306003971790

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
403R815H01 Northrop Grumman Systems Corporation
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