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NSN 5306-00-638-4737

Externally Relieved Body Bolt

About this product

Between 1.469 inches and 1.531 inches fastener length, hexagon head style, between 0.140 inches and 0.172 inches head height, width between flats: between 0.428 inches and 0.440 inches .

Manufacturer part number S14-40-2009 for national stock number 5306006384737.

Datasheet

  • Product description

    Externally Relieved Body Bolt NSN 5306-00-638-4737.

  • MPN or Model

    S14-40-2009

  • 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
    Between 1.369 inches and 1.451 inches
  • Fastener Length
    Between 1.469 inches and 1.531 inches
  • Head Style
    Hexagon
  • Head Height
    Between 0.140 inches and 0.172 inches
  • Width Between Flats
    Between 0.428 inches and 0.440 inches
  • First Diameter From Head
    Between 0.176 inches and 0.181 inches
  • Distance From Largest Bearing Surface Of Head To End Of First Diameter
    Between 0.080 inches and 0.100 inches
  • Thread Diameter
    0.250 inches
  • Thready Qty Per Inch (tpi)
    28
  • Min. Tensile Strength (psi)
    125000 pounds per square inch
  • Hardness Rating
    24.0 rockwell c and 26.0 rockwell c
  • Externally Relieved Body Diameter Quantity
    1
  • Material
    Steel comp 8630 or steel comp 8735 or steel comp 4130 or steel comp 4140 or steel comp 4037
  • Surface Treatment
    Cadmium and chromate
  • Surface Treatment Specification
    Qq-p-416, type 2, cl 3 federal specification all treatment responses
  • 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 5306006384737

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
S14-40-2009 Sikorsky Aircraft Corporation
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