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NSN 5305-00-055-5781

Button Head Socket Screw

About this product

Between 0.470 inches and 0.500 inches fastener length, flat chamfer head style, between 0.550 inches and 0.562 inches head diameter, head height: between 0.368 inches and 0.375 inches .

Manufacturer part number FFS86 for national stock number 5305000555781.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-00-055-5781.

  • MPN or Model

    FFS86

  • 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 0.345 inches and 0.500 inches
  • Fastener Length
    Between 0.470 inches and 0.500 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    Between 0.550 inches and 0.562 inches
  • Head Height
    Between 0.368 inches and 0.375 inches
  • Hole Diameter
    Between 0.061 inches and 0.067 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.375 inches
  • Width Across Flats
    Between 0.3125 inches and 0.3160 inches
  • Hole Quantity
    6
  • Hole Type
    Drilled
  • Thready Qty Per Inch (tpi)
    16
  • 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 internal hexagon
  • Material
    Steel
  • Surface Treatment
    Cadmium and chromate
  • Surface Treatment Specification
    Qq-p-416 type 2 cl 3 federal specification single treatment response
  • Thread Series Designator
    Unc
  • Nondefinitive Specification/std Data
    6 type
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Socket Head Cap Screw

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Mechanic Bill explains Button Head Socket Screw

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NSN 5305000555781

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
FFS86 Federal Specifications
MS24677-62 National Aerospace Standards
F289 Tld Ace Corporation
MS24677-62 Military Standards
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