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NSN 5306-00-855-2012

Externally Relieved Body Bolt

About this product

3.625 inches fastener length, double hexagon extended washer head style, 0.300 inches head height, width between flats: between 0.305 inches and 0.313 inches .

Manufacturer part number 6860840 for national stock number 5306008552012.

Datasheet

  • Product description

    Externally Relieved Body Bolt NSN 5306-00-855-2012.

  • MPN or Model

    6860840

  • 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 Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.625 inches
  • Fastener Length
    3.625 inches
  • Head Style
    Double hexagon extended washer
  • Head Height
    0.300 inches
  • Width Between Flats
    Between 0.305 inches and 0.313 inches
  • Extended Washer Diameter
    0.438 inches
  • Extended Washer Thickness
    Between 0.060 inches and 0.070 inches
  • First Diameter From Head
    Between 0.244 inches and 0.249 inches
  • Second Diameter From Head
    Between 0.190 inches and 0.195 inches
  • Third Diameter From Head
    Between 0.2489 inches and 0.2495 inches
  • Fourth Diameter From Head
    Between 0.190 inches and 0.195 inches
  • Distance From Largest Bearing Surface Of Head To End Of First Diameter
    0.200 inches
  • Distance From Largest Bearing Surface Of Head To End Of Second Diameter
    1.400 inches
  • Distance From Largest Bearing Surface Of Head To End Of Third Diameter
    1.600 inches
  • Distance From Largest Bearing Surface Of Head To End Of Fourth Diameter
    3.000 inches
  • Thread Diameter
    0.250 inches
  • Thready Qty Per Inch (tpi)
    28
  • Externally Relieved Body Diameter Quantity
    4
  • Material
    Iron alloy 660
  • Material Specification
    Ams 5731 assn standard single material response
  • Thread Series Designator
    Unjf
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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 5306008552012

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
6860840 Allison Transmission, Inc.
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