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NSN 5306-01-012-9400

Externally Relieved Body Bolt

About this product

1.420 inches fastener length, dee chamfer head style, 0.655 inches head diameter, head height: between 0.190 inches and 0.200 inches .

Manufacturer part number 2057D139 for national stock number 5306010129400.

Datasheet

  • Product description

    Externally Relieved Body Bolt NSN 5306-01-012-9400.

  • MPN or Model

    2057D139

  • 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
    0.590 inches
  • Fastener Length
    1.420 inches
  • Head Style
    Dee chamfer
  • Head Diameter
    0.655 inches
  • Head Height
    Between 0.190 inches and 0.200 inches
  • Distance From Centerline To Flat
    Between 0.247 inches and 0.251 inches
  • First Diameter From Head
    Between 0.3902 inches and 0.3906 inches
  • Second Diameter From Head
    Between 0.333 inches and 0.343 inches
  • Third Diameter From Head
    Between 0.3902 inches and 0.3906 inches
  • Fourth Diameter From Head
    0.300 inches
  • Distance From Largest Bearing Surface Of Head To End Of First Diameter
    Between 0.405 inches and 0.415 inches
  • Distance From Largest Bearing Surface Of Head To End Of Second Diameter
    Between 0.460 inches and 0.480 inches
  • Distance From Largest Bearing Surface Of Head To End Of Third Diameter
    0.730 inches
  • Distance From Largest Bearing Surface Of Head To End Of Fourth Diameter
    0.830 inches
  • Thread Diameter
    0.375 inches
  • Thready Qty Per Inch (tpi)
    24
  • Hardness Rating
    26.0 rockwell c and 32.0 rockwell c
  • Criticality Code Justification
    Aawc and aawe
  • Externally Relieved Body Diameter Quantity
    4
  • Material
    Steel comp 431
  • Material Specification
    Ams 5628 assn standard single material 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 5306010129400

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
2057D139 Curtiss-wright Controls, Inc
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