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NSN 5305-01-384-2101

Button Head Socket Screw

About this product

0.750 inches fastener length, flat countersunk head style, between 0.480 inches and 0.531 inches head diameter, internal drive style: hexagon.

Manufacturer part number FFS86TY4,.250-2 0UNC-3AX.750, for national stock number 5305013842101.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-01-384-2101.

  • MPN or Model

    FFS86TY4,.250-2 0UNC-3AX.750,

  • Schedule B
    7508.90.0000 (Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire))
  • 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 0.489 inches and 0.589 inches
  • Fastener Length
    0.750 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.480 inches and 0.531 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.250 inches
  • Width Across Flats
    0.156 inches
  • Thready Qty Per Inch (tpi)
    20
  • Min. Tensile Strength (psi)
    180000 pounds per square inch
  • Hardness Rating
    39.0 rockwell c and 45.0 rockwell c
  • Minimum Yield Strength
    155000 pounds per square inch
  • Countersink Angle
    Between 80.0 degrees and 84.0 degrees
  • Surface Finish
    32.0 microinches fastener
  • Color
    Black
  • Material
    Nickel alloy 400
  • Material Specification
    Qq-n-281 cla federal specification single material response
  • Surface Treatment
    Oxide
  • Surface Treatment Specification
    Mil-c-13924 military specification single treatment response
  • Thread Series Designator
    Unc
  • Nondefinitive Specification/std Data
    4 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 5305013842101

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
FFS86TY4,.250-2 0UNC-3AX.750, Zf Industrieantriebe Witten Gmbh
1/4-20UNC-3AX.750 IN.LG.NICU American National Standards
FF-S-86 Federal Specifications
FFS86TY4,.250-2 0UNC-3AX.750, Zf Industrieantriebe Witten Gmbh
1/4-20UNC-3AX.750 IN.LG.NICU American National Standards
FF-S-86 Federal Specifications
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