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NSN 5305-01-293-0978

Button Head Socket Screw

About this product

Between 2.460 inches and 2.500 inches fastener length, flat chamfer head style, between 0.457 inches and 0.469 inches head diameter, head height: between 0.306 inches and 0.312 inches .

Manufacturer part number 5/16-24UNF-3AX2-1/2 IN, LG STL for national stock number 5305012930978.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-01-293-0978.

  • MPN or Model

    5/16-24UNF-3AX2-1/2 IN, LG STL

  • 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 1.120 inches and 1.710 inches
  • Fastener Length
    Between 2.460 inches and 2.500 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    Between 0.457 inches and 0.469 inches
  • Head Height
    Between 0.306 inches and 0.312 inches
  • Hole Diameter
    Between 0.044 inches and 0.050 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.312 inches
  • Width Across Flats
    0.250 inches
  • Hole Quantity
    2
  • Hole Type
    Drilled
  • Thready Qty Per Inch (tpi)
    24
  • Min. Tensile Strength (psi)
    180000 pounds per square inch
  • Hardness Rating
    39.0 rockwell c and 45.0 rockwell c
  • Hole Configuration Style
    Round internal hexagon
  • Material
    Steel uns k03104
  • Material Specification
    Astm a574 assn standard single material response
  • Thread Series Designator
    Unf
  • 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 5305012930978

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
5/16-24UNF-3AX2-1/2 IN, LG STL American National Standards
FF-S-86 Federal Specifications
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