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NSN 5306-00-784-5656

Externally Relieved Body Bolt

About this product

4.750 inches fastener length, double hexagon extended washer head style, 0.435 inches head height, width between flats: 0.500 inches .

Manufacturer part number 1272180 for national stock number 5306007845656.

Datasheet

  • Product description

    Externally Relieved Body Bolt NSN 5306-00-784-5656.

  • MPN or Model

    1272180

  • 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
    4.750 inches
  • Head Style
    Double hexagon extended washer
  • Head Height
    0.435 inches
  • Width Between Flats
    0.500 inches
  • Extended Washer Diameter
    0.750 inches
  • Extended Washer Thickness
    0.099 inches
  • First Diameter From Head
    Between 0.435 inches and 0.437 inches
  • Second Diameter From Head
    Between 0.373 inches and 0.377 inches
  • Distance From Largest Bearing Surface Of Head To End Of First Diameter
    0.750 inches
  • Distance From Largest Bearing Surface Of Head To End Of Second Diameter
    4.125 inches
  • Thread Diameter
    0.438 inches
  • Thready Qty Per Inch (tpi)
    20
  • Externally Relieved Body Diameter Quantity
    1
  • Material
    Steel
  • Material Specification
    Fed standard 66, comp 4340 federal standard single material response
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    Qq-p-416, type 2, class 2 federal specification single treatment response
  • 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 5306007845656

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
1272180 Navair And Navsea Managed
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