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NSN 5305-00-243-7157

Button Head Socket Screw

About this product

Between 0.859 inches and 0.891 inches fastener length, flat chamfer head style, between 0.365 inches and 0.375 inches head diameter, head height: between 0.244 inches and 0.250 inches .

Manufacturer part number FFS86 for national stock number 5305002437157.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-00-243-7157.

  • 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)
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.759 inches and 0.891 inches
  • Fastener Length
    Between 0.859 inches and 0.891 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    Between 0.365 inches and 0.375 inches
  • Head Height
    Between 0.244 inches and 0.250 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.250 inches
  • Width Across Flats
    Between 0.180 inches and 0.190 inches
  • Thready Qty Per Inch (tpi)
    20
  • Min. Tensile Strength (psi)
    80000 pounds per square inch
  • Hardness Rating
    80.0 rockwell b
  • Minimum Yield Strength
    30000 pounds per square inch
  • Material
    Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316
  • Material Specification
    66 federal standard all material responses
  • Thread Series Designator
    Unc
  • Nondefinitive Specification/std Data
    6 type
More from these suppliers
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 5305002437157

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
FFS86 Federal Specifications
MS16995-51B National Aerospace Standards
MS16995-51B Military Standards
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