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NSN 5306-00-189-6981

Externally Relieved Body Bolt

About this product

2.500 inches fastener length, hexagon head style, 0.250 inches head height, width between flats: between 0.362 inches and 0.375 inches .

Manufacturer part number 755205-4 for national stock number 5306001896981.

Datasheet

  • Product description

    Externally Relieved Body Bolt NSN 5306-00-189-6981.

  • MPN or Model

    755205-4

  • Schedule B
    7508.90.0000 (Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire))
  • NMF (National Motor Freight)
    139820 - Nickel Bolts/nails/nuts/rivets Etc
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    2a
  • Thread Direction
    Right-hand
  • Thread Length
    0.562 inches
  • Fastener Length
    2.500 inches
  • Head Style
    Hexagon
  • Head Height
    0.250 inches
  • Width Between Flats
    Between 0.362 inches and 0.375 inches
  • First Diameter From Head
    Between 0.151 inches and 0.161 inches
  • Second Diameter From Head
    Between 0.370 inches and 0.380 inches
  • Distance From Largest Bearing Surface Of Head To End Of First Diameter
    0.188 inches
  • Distance From Largest Bearing Surface Of Head To End Of Second Diameter
    0.375 inches
  • Thread Diameter
    0.250 inches
  • Thready Qty Per Inch (tpi)
    20
  • Externally Relieved Body Diameter Quantity
    2
  • Material
    Nickel alloy r-405
  • Material Specification
    Qq-n-281 cl b federal specification 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 5306001896981

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
755205-4 Navair And Navsea Managed
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