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NSN 5306-00-938-5621

Bolt Flush Head

About this product

Between 2.920 inches and 3.000 inches fastener length, flat chamfer head style, between 0.735 inches and 0.750 inches head diameter, head height: between 0.492 inches and 0.500 inches .

Manufacturer part number FF-S-86 for national stock number 5306009385621.

Datasheet

  • Product description

    Internal Wrenching Bolt NSN 5306-00-938-5621.

  • MPN or Model

    FF-S-86

  • 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
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 1.420 inches and 1.880 inches
  • Fastener Length
    Between 2.920 inches and 3.000 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    Between 0.735 inches and 0.750 inches
  • Head Height
    Between 0.492 inches and 0.500 inches
  • Hole Diameter
    0.064 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.500 inches
  • Width Across Flats
    Between 0.375 inches and 0.379 inches
  • Hole Quantity
    6
  • Hole Type
    Drilled
  • Thready Qty Per Inch (tpi)
    13
  • Min. Tensile Strength (psi)
    170000 pounds per square inch
  • Hardness Rating
    38.0 rockwell c and 45.0 rockwell c
  • Minimum Yield Strength
    150000 pounds per square inch
  • Hole Configuration Style
    Round
  • Surface Finish
    63.0 microinches bearing surface of head
  • Material
    Steel
  • Surface Treatment
    Cadmium and chromate
  • Thread Series Designator
    Unc
  • Nondefinitive Specification/std Data
    Y6 part
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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 5306009385621

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
FF-S-86 Federal Specifications
MS24677-108 National Aerospace Standards
MS24677-108 Military Standards
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