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NSN 5306-00-637-8688

Externally Relieved Body Bolt

About this product

Between 1.678 inches and 1.698 inches fastener length, double hexagon w/hole head style, between 0.320 inches and 0.340 inches head height, width between flats: between 0.304 inches and 0.313 inches .

Manufacturer part number 261012 for national stock number 5306006378688.

Datasheet

  • Product description

    Externally Relieved Body Bolt NSN 5306-00-637-8688.

  • MPN or Model

    261012

  • 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)
  • Unit Weight (Est.)
    0.1 lb
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.730 inches and 0.770 inches
  • Fastener Length
    Between 1.678 inches and 1.698 inches
  • Head Style
    Double hexagon w/hole
  • Head Height
    Between 0.320 inches and 0.340 inches
  • Width Between Flats
    Between 0.304 inches and 0.313 inches
  • Extended Washer Diameter
    Between 0.428 inches and 0.448 inches
  • Extended Washer Thickness
    Between 0.060 inches and 0.070 inches
  • Hole Diameter
    0.062 inches
  • First Diameter From Head
    Between 0.218 inches and 0.228 inches
  • Distance From Largest Bearing Surface Of Head To End Of First Diameter
    Between 0.928 inches and 0.948 inches
  • Thread Diameter
    0.250 inches
  • Hole Quantity
    4
  • Hole Type
    Drilled
  • Nonstandard Thread Pitch Diameter
    +0.2216/+0.2238 inches
  • Thready Qty Per Inch (tpi)
    28
  • Hardness Rating
    30.0 rockwell c and 38.0 rockwell c
  • Hole Configuration Style
    Hexagon longitudinal hole
  • Externally Relieved Body Diameter Quantity
    1
  • Material
    Steel comp 601
  • Material Specification
    Ams 6304 assn standard single material response
  • Surface Treatment
    Nickel and cadmium
  • Surface Treatment Specification
    Ams 2416 assn standard all treatment responses
  • 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 5306006378688

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
261012 United Technologies Corporation
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