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NSN 5306-00-223-7120

Bolt Flush Head

About this product

Between 1.469 inches and 1.531 inches fastener length, between 0.406 inches and 0.469 inches head diameter, between 0.281 inches and 0.344 inches head height, internal drive style: hexagon.

Manufacturer part number 8031270 for national stock number 5306002237120.

Datasheet

  • Product description

    Internal Wrenching Bolt NSN 5306-00-223-7120.

  • MPN or Model

    8031270

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    093470 - Bolts/nuts I/s
  • Thread Class
    2a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 1.094 inches and 1.156 inches
  • Fastener Length
    Between 1.469 inches and 1.531 inches
  • Head Diameter
    Between 0.406 inches and 0.469 inches
  • Head Height
    Between 0.281 inches and 0.344 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.312 inches
  • Width Across Flats
    Between 0.188 inches and 0.250 inches
  • Thready Qty Per Inch (tpi)
    24
  • Min. Tensile Strength (psi)
    180000 pounds per square inch
  • Hardness Rating
    40.0 rockwell c
  • Material
    Steel
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    Qq-p-416 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 5306002237120

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
8031270 U S Army Aviation And Missile
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