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NSN 5306-01-274-8317

Bolt Flush Head

About this product

Between 1.985 inches and 2.015 inches fastener length, flat chamfer head style, 0.875 inches head diameter, head height: 0.375 inches .

Manufacturer part number 2149691 for national stock number 5306012748317.

Datasheet

  • Product description

    Internal Wrenching Bolt NSN 5306-01-274-8317.

  • MPN or Model

    2149691

  • 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
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.891 inches and 0.921 inches
  • Fastener Length
    Between 1.985 inches and 2.015 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    0.875 inches
  • Head Height
    0.375 inches
  • First Diameter From Head
    Between 0.593 inches and 0.603 inches
  • Second Diameter From Head
    Between 0.622 inches and 0.624 inches
  • Third Diameter From Head
    Between 0.396 inches and 0.406 inches
  • Distance From Largest Bearing Surface Of Head To End Of First Diameter
    0.062 inches
  • Distance From Largest Bearing Surface Of Head To End Of Second Diameter
    1.000 inches
  • Distance From Largest Bearing Surface Of Head To End Of Third Diameter
    1.094 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.500 inches
  • Width Across Flats
    Between 0.317 inches and 0.320 inches
  • Thready Qty Per Inch (tpi)
    13
  • Hardness Rating
    36.0 rockwell c and 40.0 rockwell c
  • Externally Relieved Body Diameter Quantity
    1
  • Material
    Steel comp 4140
  • Material Specification
    Astm a322 assn standard single material response or astm a331 assn standard single material response
  • Surface Treatment
    Zinc and chromate
  • Surface Treatment Specification
    Astm b633 type 2 cl 3 assn standard single treatment response
  • Thread Series Designator
    Unc
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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 5306012748317

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
2149691 Navair And Navsea Managed
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