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NSN 5306-01-271-2042

Externally Relieved Body Bolt

About this product

Between 2.240 inches and 2.260 inches fastener length, hexagon head style, between 0.140 inches and 0.150 inches head height, width between flats: between 0.434 inches and 0.437 inches .

Manufacturer part number 6886218-153 for national stock number 5306012712042.

Datasheet

  • Product description

    Externally Relieved Body Bolt NSN 5306-01-271-2042.

  • MPN or Model

    6886218-153

  • 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
    2a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.240 inches and 0.250 inches
  • Fastener Length
    Between 2.240 inches and 2.260 inches
  • Head Style
    Hexagon
  • Head Height
    Between 0.140 inches and 0.150 inches
  • Width Between Flats
    Between 0.434 inches and 0.437 inches
  • First Diameter From Head
    Between 0.190 inches and 0.200 inches
  • Third Diameter From Head
    Between 0.175 inches and 0.185 inches
  • Distance From Largest Bearing Surface Of Head To End Of First Diameter
    Between 0.975 inches and 0.995 inches
  • Distance From Largest Bearing Surface Of Head To End Of Second Diameter
    Between 1.040 inches and 1.060 inches
  • Distance From Largest Bearing Surface Of Head To End Of Third Diameter
    Between 1.990 inches and 2.020 inches
  • Thread Diameter
    0.250 inches
  • Thready Qty Per Inch (tpi)
    28
  • Externally Relieved Body Diameter Quantity
    2
  • Part Name Assigned By Controlling Agency
    Navy special project
  • Material
    Steel comp 1020
  • 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 5306012712042

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
6886218-153 Allison Transmission, Inc.
6886218-153 Allison Transmission, Inc.
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