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NSN 5306-01-143-0648

Externally Relieved Body Bolt

About this product

2.500 inches fastener length, hexagon head style, between 0.302 inches and 0.323 inches head height, width between flats: between 0.850 inches and 0.875 inches .

Manufacturer part number 820-21777855-2 for national stock number 5306011430648.

Datasheet

  • Product description

    Externally Relieved Body Bolt NSN 5306-01-143-0648.

  • MPN or Model

    820-21777855-2

  • 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)
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    2a
  • Thread Direction
    Right-hand
  • Thread Length
    1.375 inches
  • Fastener Length
    2.500 inches
  • Head Style
    Hexagon
  • Head Height
    Between 0.302 inches and 0.323 inches
  • Width Between Flats
    Between 0.850 inches and 0.875 inches
  • Hole Diameter
    0.125 inches
  • Thread Diameter
    0.500 inches
  • Hole Quantity
    1
  • Hole Type
    Drilled
  • Thready Qty Per Inch (tpi)
    13
  • Hole Configuration Style
    Hexagon flats
  • Criticality Code Justification
    Zzzy
  • Externally Relieved Body Diameter Quantity
    1
  • Material
    Stainless steel
  • Material Specification
    Mil-s-24354 comp.D military specification single material response
  • Thread Series Designator
    Unc
  • Reference Number Differentiating Characteristics
    Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications
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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 5306011430648

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
820-21777855-2 Naval Ship Systems Command
820-2177824-35 Naval Ship Systems Command
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