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NSN 5306-01-316-7984

Externally Relieved Body Bolt

About this product

Grip and bearing surface of head 32 micro inches; point and bearing surface heat treated per pwa 586-3 cagec 77445.

Manufacturer part number ST1421-22 for national stock number 5306013167984.

Datasheet

  • Product description

    Externally Relieved Body Bolt NSN 5306-01-316-7984.

  • MPN or Model

    ST1421-22

  • 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
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.865 inches and 1.028 inches
  • Fastener Length
    Between 1.615 inches and 1.635 inches
  • Head Style
    Double hexagon w/hole
  • Head Height
    Between 0.328 inches and 0.348 inches
  • Width Between Flats
    0.375 inches
  • Extended Washer Diameter
    Between 0.490 inches and 0.510 inches
  • Extended Washer Thickness
    0.070 inches
  • First Diameter From Head
    Between 0.280 inches and 0.290 inches
  • Distance From Largest Bearing Surface Of Head To End Of First Diameter
    Between 0.607 inches and 0.750 inches
  • Thread Diameter
    0.312 inches
  • Thready Qty Per Inch (tpi)
    24
  • Externally Relieved Body Diameter Quantity
    1
  • Material
    Nickel alloy uns n07001
  • Material Specification
    Ams 7477 assn standard single material response
  • Thread Series Designator
    Unjf
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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 5306013167984

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
ST1421-22 United Technologies Corporation
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