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NSN 5306-00-891-1449

Bolt Flush Head

About this product

Between 4.423 inches and 4.453 inches fastener length, between 0.745 inches and 0.755 inches head diameter, between 0.490 inches and 0.510 inches head height, shank unthreaded hole diameter: 0.106 inches first hole and 0.116 inches first hole.

Manufacturer part number 114R2171-1 for national stock number 5306008911449.

Datasheet

  • Product description

    Internal Wrenching Bolt NSN 5306-00-891-1449.

  • MPN or Model

    114R2171-1

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.788 inches and 0.838 inches
  • Fastener Length
    Between 4.423 inches and 4.453 inches
  • Head Diameter
    Between 0.745 inches and 0.755 inches
  • Head Height
    Between 0.490 inches and 0.510 inches
  • Shank Unthreaded Hole Diameter
    0.106 inches first hole and 0.116 inches first hole
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.500 inches
  • Width Across Flats
    Between 0.376 inches and 0.379 inches
  • Thready Qty Per Inch (tpi)
    20
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Hardness Rating
    34.0 rockwell c and 40.0 rockwell c
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    4.197 inches first hole and 4.247 inches first hole
  • Material
    Steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740
  • Material Specification
    Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-8503 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6049 military specification 5th material response
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    Qq-p-416, type 2, class 3 federal specification single treatment response
  • Thread Series Designator
    Unf
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Internal Wrenching Bolt

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also screw, cap, socket head. Excludes setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.

Mechanic Bill explains Bolt Flush Head

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NSN 5306008911449

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
114R2171-1 The Boeing Company
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