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NSN 5305-00-144-0344

Button Head Socket Screw

About this product

Between 0.234 inches and 0.266 inches fastener length, flat countersunk head style, between 0.218 inches and 0.255 inches head diameter, internal drive style: hexagon.

Manufacturer part number FFS86 for national stock number 5305001440344.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-00-144-0344.

  • 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 0.101 inches and 0.183 inches
  • Fastener Length
    Between 0.234 inches and 0.266 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.218 inches and 0.255 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.112 inches
  • Width Across Flats
    0.063 inches
  • Thready Qty Per Inch (tpi)
    40
  • Min. Tensile Strength (psi)
    80000 pounds per square inch
  • Hardness Rating
    80.0 rockwell b
  • Minimum Yield Strength
    30000 pounds per square inch
  • Countersink Angle
    Between 80.0 degrees and 84.0 degrees
  • 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
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Qq-p-35 federal specification single treatment response
  • Thread Series Designator
    Unc
  • Nondefinitive Specification/std Data
    4 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 5305001440344

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
FFS86 Federal Specifications
MS24671-1 National Aerospace Standards
MS24671-1 Military Standards
877765-00 Defense Reduction Agency
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