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NSN 5306-01-227-4855

Bolt Flush Head

About this product

Between 2.423 inches and 2.453 inches fastener length, between 1.220 inches and 1.230 inches head diameter, between 0.740 inches and 0.760 inches head height, internal drive style: hexagon.

Manufacturer part number MS20012-22 for national stock number 5306012274855.

Datasheet

  • Product description

    Internal Wrenching Bolt NSN 5306-01-227-4855.

  • MPN or Model

    MS20012-22

  • 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.)
    0.4 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 1.038 inches and 1.088 inches
  • Fastener Length
    Between 2.423 inches and 2.453 inches
  • Head Diameter
    Between 1.220 inches and 1.230 inches
  • Head Height
    Between 0.740 inches and 0.760 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.750 inches
  • Width Across Flats
    Between 0.563 inches and 0.566 inches
  • Thready Qty Per Inch (tpi)
    16
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Hardness Rating
    34.0 rockwell c and 40.0 rockwell c
  • Surface Finish
    63.0 microinches bearing surface of head
  • Material
    Steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150
  • Surface Treatment
    Cadmium and chromate
  • Surface Treatment Specification
    Qq-p-416, type 2 class 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 5306012274855

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
MS20012-22 Military Standards
MS20012-22 Military Standards
MS20012-22 Military Standards
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