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NSN 5306-01-253-2239

Externally Relieved Body Bolt

About this product

Between 2.512 inches and 2.542 inches fastener length, tee no. 2 head style, between 2.110 inches and 2.150 inches head height, head length: 2.500 inches .

Manufacturer part number 863C0120050-003 for national stock number 5306012532239.

Datasheet

  • Product description

    Externally Relieved Body Bolt NSN 5306-01-253-2239.

  • MPN or Model

    863C0120050-003

  • NMF (National Motor Freight)
    093486 - Bolts, Nuts Or Screws, NOI (sub 3)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.808 inches
  • Fastener Length
    Between 2.512 inches and 2.542 inches
  • Head Style
    Tee no. 2
  • Head Height
    Between 2.110 inches and 2.150 inches
  • Head Length
    2.500 inches
  • Err Default
    Err default
  • Width Between Flats
    1.890 inches
  • Hole Diameter
    Between 0.249 inches and 0.256 inches
  • Point Length
    0.030 inches
  • Shank Unthreaded Hole Diameter
    0.141 inches first hole and 0.151 inches first hole
  • First Diameter From Head
    Between 0.623 inches and 0.625 inches
  • Second Diameter From Head
    0.417 inches
  • Distance From Largest Bearing Surface Of Head To End Of First Diameter
    1.625 inches
  • Distance From Largest Bearing Surface Of Head To End Of Second Diameter
    1.719 inches
  • Point Style
    Flat
  • Thread Diameter
    0.500 inches
  • Hole Quantity
    4
  • Hole Type
    Drilled
  • Thready Qty Per Inch (tpi)
    20
  • Hole Configuration Style
    Square longitudinal hole
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    2.120 inches first hole
  • Externally Relieved Body Diameter Quantity
    2
  • Point Chamfer Angle
    45.0 degrees
  • Thread Series Designator
    Unjf
More from these suppliers
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 5306012532239

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
863C0120050-003 Lockheed Martin Corporation
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