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NSN 5306-01-185-5857

Externally Relieved Body Bolt

About this product

Paint one coat of primer to mil-p-23377 or mms 425 and one coat of lusterless matt black no. 3708 fed std 595 to tte 527 on head of screw only.

Manufacturer part number 2797921-2 for national stock number 5306011855857.

Datasheet

  • Product description

    Externally Relieved Body Bolt NSN 5306-01-185-5857.

  • MPN or Model

    2797921-2

  • 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
    2a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.372 inches and 0.408 inches
  • Fastener Length
    Between 1.387 inches and 1.403 inches
  • Head Style
    Hexagon
  • Head Height
    Between 0.223 inches and 0.243 inches
  • Width Between Flats
    Between 0.555 inches and 0.562 inches
  • First Diameter From Head
    Between 0.160 inches and 0.180 inches
  • Second Diameter From Head
    Between 0.760 inches and 0.780 inches
  • Third Diameter From Head
    Between 0.995 inches and 1.015 inches
  • Distance From Largest Bearing Surface Of Head To End Of First Diameter
    Between 0.261 inches and 0.265 inches
  • Distance From Largest Bearing Surface Of Head To End Of Third Diameter
    Between 0.303 inches and 0.312 inches
  • Thread Diameter
    0.312 inches
  • Thready Qty Per Inch (tpi)
    24
  • Hardness Rating
    55.0 rockwell c
  • Externally Relieved Body Diameter Quantity
    3
  • Material
    Steel comp 440f
  • Material Specification
    Astm a582 assn standard single material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Qq-p-35 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 5306011855857

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
2797921-2 Honeywell Intl Inc
2797921-2 Leonardo Mw Ltd
Stock Check
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