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NSN 5306-00-424-4421

Externally Relieved Body Bolt

About this product

Two drilled holes in shank,0.437 in. C to c.

Manufacturer part number MD3789 for national stock number 5306004244421.

Datasheet

  • Product description

    Externally Relieved Body Bolt NSN 5306-00-424-4421.

  • MPN or Model

    MD3789

  • 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)
  • Thread Direction
    Right-hand
  • Thread Length
    1.375 inches
  • Fastener Length
    4.688 inches
  • Head Style
    Round w/wrench flats chamfered
  • Head Diameter
    1.188 inches
  • Head Height
    0.500 inches
  • Width Between Flats
    Between 0.988 inches and 0.990 inches
  • Shank Unthreaded Hole Diameter
    0.156 inches first hole
  • First Diameter From Head
    Between 0.751 inches and 0.752 inches
  • Second Diameter From Head
    Between 0.663 inches and 0.666 inches
  • Distance From Largest Bearing Surface Of Head To End Of First Diameter
    0.375 inches
  • Distance From Largest Bearing Surface Of Head To End Of Second Diameter
    3.313 inches
  • Thread Diameter
    0.750 inches
  • Nonstandard Thread Pitch Diameter
    +0.7062/+0.7094 inches
  • Thready Qty Per Inch (tpi)
    16
  • Hardness Rating
    27.0 rockwell c and 31.0 rockwell c
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    0.219 inches first hole
  • Externally Relieved Body Diameter Quantity
    2
  • Material
    Steel comp 4140
  • Thread Series Designator
    Unf
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 5306004244421

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
MD3789 Mwm-murphy Diesel Co
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