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NSN 5306-00-424-0078

Externally Relieved Body Bolt

About this product

1.375 inches fastener length, hexagon head style, between 0.273 inches and 0.289 inches head height, width between flats: between 0.551 inches and 0.562 inches .

Manufacturer part number 7B0290 for national stock number 5306004240078.

Datasheet

  • Product description

    Externally Relieved Body Bolt NSN 5306-00-424-0078.

  • MPN or Model

    7B0290

  • 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
    1.375 inches
  • Head Style
    Hexagon
  • Head Height
    Between 0.273 inches and 0.289 inches
  • Width Between Flats
    Between 0.551 inches and 0.562 inches
  • First Diameter From Head
    Between 0.245 inches and 0.250 inches
  • Second Diameter From Head
    Between 0.250 inches and 0.372 inches
  • Distance From Largest Bearing Surface Of Head To End Of First Diameter
    0.125 inches
  • Distance From Largest Bearing Surface Of Head To End Of Second Diameter
    0.812 inches
  • Distance From Largest Bearing Surface Of Head To End Of Third Diameter
    1.375 inches
  • Thread Diameter
    0.375 inches
  • Thready Qty Per Inch (tpi)
    16
  • Min. Tensile Strength (psi)
    151000 pounds per square inch
  • Hardness Rating
    32.0 rockwell c and 38.0 rockwell c
  • Externally Relieved Body Diameter Quantity
    2
  • Material
    Steel comp 1035
  • Material Specification
    Sae assn standard single material response
  • Thread Series Designator
    Unc
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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 5306004240078

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
7B0290 Caterpillar Inc.
7B290 Caterpillar Inc.
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