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NSN 5306-01-251-4990

Bolt Flush Head

About this product

Between 2.052 inches and 2.072 inches fastener length, between 1.428 inches and 1.438 inches head diameter, between 0.865 inches and 0.885 inches head height, internal drive style: hexagon.

Manufacturer part number 123PM10404-1 for national stock number 5306012514990.

Datasheet

  • Product description

    Internal Wrenching Bolt NSN 5306-01-251-4990.

  • MPN or Model

    123PM10404-1

  • 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)
  • Unit Weight (Est.)
    0.3 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 1.187 inches and 1.312 inches
  • Fastener Length
    Between 2.052 inches and 2.072 inches
  • Head Diameter
    Between 1.428 inches and 1.438 inches
  • Head Height
    Between 0.865 inches and 0.885 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.875 inches
  • Width Across Flats
    Between 0.626 inches and 0.630 inches
  • Thready Qty Per Inch (tpi)
    14
  • Min. Tensile Strength (psi)
    180000 pounds per square inch
  • Hardness Rating
    36.0 rockwell c and 40.0 rockwell c
  • Material
    Steel comp e4340 or steel comp 4140 or steel comp 8735 or steel comp 8740 or steel comp 6150
  • Surface Treatment
    Cadmium and chromate
  • Surface Treatment Specification
    Qq-p-416 type 2 cl 2 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 5306012514990

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
123PM10404-1 Northrop Grumman Systems Corporation
123PM10404-1 Northrop Grumman Systems Corporation
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