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NSN 5306-01-398-5272

Bolt Flush Head

About this product

Between 1.330 inches and 1.370 inches fastener length, flat chamfer head style, between 0.550 inches and 0.563 inches head diameter, head height: between 0.368 inches and 0.375 inches .

Manufacturer part number 6370403 for national stock number 5306013985272.

Datasheet

  • Product description

    Internal Wrenching Bolt NSN 5306-01-398-5272.

  • MPN or Model

    6370403

  • 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 0.470 inches and 0.500 inches
  • Fastener Length
    Between 1.330 inches and 1.370 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    Between 0.550 inches and 0.563 inches
  • Head Height
    Between 0.368 inches and 0.375 inches
  • First Diameter From Head
    0.312 inches
  • Distance From Largest Bearing Surface Of Head To End Of First Diameter
    0.850 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.375 inches
  • Width Across Flats
    Between 0.3125 inches and 0.3160 inches
  • Thready Qty Per Inch (tpi)
    24
  • Min. Tensile Strength (psi)
    80000 pounds per square inch
  • Externally Relieved Body Diameter Quantity
    1
  • Material
    Steel comp 302 or steel comp 304 or steel comp 305 or steel comp 316 or steel comp 384 or steel comp xm-7
  • Material Specification
    Astm a493 assn standard all material responses
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Qq-p-35 type 1, 2, or 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 5306013985272

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
6370403 Naval Sea Systems Command
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