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NSN 5306-01-175-8765

Externally Relieved Body Bolt

About this product

1.150 inches fastener length, dee chamfer head style, 0.512 inches head diameter, head height: 0.150 inches .

Manufacturer part number B490389 for national stock number 5306011758765.

Datasheet

  • Product description

    Externally Relieved Body Bolt NSN 5306-01-175-8765.

  • MPN or Model

    B490389

  • 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 Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.320 inches
  • Fastener Length
    1.150 inches
  • Head Style
    Dee chamfer
  • Head Diameter
    0.512 inches
  • Head Height
    0.150 inches
  • Distance From Centerline To Flat
    Between 0.187 inches and 0.192 inches
  • Hole Diameter
    Between 0.669 inches and 0.739 inches
  • First Diameter From Head
    Between 0.190 inches and 0.195 inches
  • Second Diameter From Head
    Between 0.190 inches and 0.195 inches
  • Distance From Largest Bearing Surface Of Head To End Of First Diameter
    Between 0.310 inches and 0.340 inches
  • Distance From Largest Bearing Surface Of Head To End Of Second Diameter
    Between 0.800 inches and 0.830 inches
  • Thread Diameter
    0.250 inches
  • Hole Quantity
    1
  • Hole Type
    Drilled
  • Thready Qty Per Inch (tpi)
    28
  • Hole Configuration Style
    Round
  • Externally Relieved Body Diameter Quantity
    2
  • Material
    Stainless steel
  • Material Specification
    Dtd 5066 fscm k0378 mfr ref single material response
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    Rsp 170 fscm k0378 mfr ref single treatment 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 5306011758765

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
B490389 Rolls-royce Military Aero Engines
99-781-0380 Nato Stock Number Assigned Byanother
99-781-0380 Nato Stock Number Assigned
Stock Check
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