1-321-802-5889

NSN 5306-00-879-2127

Bolt Flush Head

About this product

Between 2.230 inches and 2.270 inches fastener length, flat chamfer head style, between 0.550 inches and 0.570 inches head diameter, head height: between 0.150 inches and 0.170 inches .

Manufacturer part number 5A74009 for national stock number 5306008792127.

Datasheet

  • Product description

    Internal Wrenching Bolt NSN 5306-00-879-2127.

  • MPN or Model

    5A74009

  • 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 0.380 inches and 0.460 inches
  • Fastener Length
    Between 2.230 inches and 2.270 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    Between 0.550 inches and 0.570 inches
  • Head Height
    Between 0.150 inches and 0.170 inches
  • Hole Diameter
    0.055 inches
  • First Diameter From Head
    Between 0.338 inches and 0.348 inches
  • Second Diameter From Head
    Between 0.280 inches and 0.300 inches
  • Third Diameter From Head
    Between 0.338 inches and 0.340 inches
  • Fourth Diameter From Head
    Between 0.230 inches and 0.234 inches
  • Distance From Largest Bearing Surface Of Head To End Of First Diameter
    Between 0.120 inches and 0.160 inches
  • Distance From Largest Bearing Surface Of Head To End Of Second Diameter
    Between 1.610 inches and 1.630 inches
  • Distance From Largest Bearing Surface Of Head To End Of Third Diameter
    Between 1.710 inches and 1.730 inches
  • Distance From Largest Bearing Surface Of Head To End Of Fourth Diameter
    Between 1.810 inches and 1.850 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.312 inches
  • Width Across Flats
    Between 0.187 inches and 0.191 inches
  • Hole Quantity
    4
  • Hole Type
    Drilled
  • Thready Qty Per Inch (tpi)
    24
  • Hole Configuration Style
    Round longitudinal hole
  • Material
    Steel comp 302
  • Material Specification
    Ams 5637 assn standard single material 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 5306008792127

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
5A74009 Triumph Engine Control Systems, Llc
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