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NSN 5306-00-945-8604

Externally Relieved Body Bolt

About this product

Between 0.595 inches and 0.615 inches fastener length, double hexagon w/hole head style, between 0.320 inches and 0.340 inches head height, width between flats: between 0.304 inches and 0.313 inches .

Manufacturer part number 491939 for national stock number 5306009458604.

Datasheet

  • Product description

    Externally Relieved Body Bolt NSN 5306-00-945-8604.

  • MPN or Model

    491939

  • 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
    0.413 inches
  • Fastener Length
    Between 0.595 inches and 0.615 inches
  • Head Style
    Double hexagon w/hole
  • Head Height
    Between 0.320 inches and 0.340 inches
  • Width Between Flats
    Between 0.304 inches and 0.313 inches
  • Extended Washer Diameter
    Between 0.428 inches and 0.448 inches
  • Extended Washer Thickness
    Between 0.060 inches and 0.070 inches
  • Hole Diameter
    0.062 inches
  • First Diameter From Head
    Between 0.261 inches and 0.265 inches
  • Second Diameter From Head
    Between 0.197 inches and 0.201 inches
  • Distance From Largest Bearing Surface Of Head To End Of First Diameter
    Between 0.110 inches and 0.130 inches
  • Distance From Largest Bearing Surface Of Head To End Of Second Diameter
    Between 0.162 inches and 0.202 inches
  • Thread Diameter
    0.250 inches
  • Hole Quantity
    4
  • Hole Type
    Drilled
  • Thready Qty Per Inch (tpi)
    28
  • Hole Configuration Style
    Round longitudinal hole
  • Externally Relieved Body Diameter Quantity
    2
  • Part Name Assigned By Controlling Agency
    Navy special project
  • Material
    Iron alloy 660
  • Material Specification
    Ams 5735 assn standard single material response
  • Surface Treatment
    Passivate
  • 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 5306009458604

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
491939 United Technologies Corporation
491939 Sps Technologies, Llc
491939 Sps Technologies, Llc
491939 Alcoa Global Fasteners, Inc.
491939 Turbo Power & Marine System Inc
491939 United Technologies Corporation
491939 Turbo Power & Marine System Inc
491939 Sps Technologies, Llc
491939 Sps Technologies, Llc
491939 Alcoa Global Fasteners, Inc.
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