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NSN 5305-00-437-4253

Button Head Socket Screw

About this product

Between 0.730 inches and 0.770 inches fastener length, flat countersunk undercut head style, between 0.720 inches and 0.781 inches head diameter, head height: between 0.214 inches and 0.254 inches .

Manufacturer part number 7243305P001 for national stock number 5305004374253.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-00-437-4253.

  • MPN or Model

    7243305P001

  • 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
    2a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.435 inches and 0.610 inches
  • Fastener Length
    Between 0.730 inches and 0.770 inches
  • Head Style
    Flat countersunk undercut
  • Head Diameter
    Between 0.720 inches and 0.781 inches
  • Head Height
    Between 0.214 inches and 0.254 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.375 inches
  • Width Across Flats
    Between 0.219 inches and 0.220 inches
  • Thready Qty Per Inch (tpi)
    16
  • Countersink Angle
    Between 80.0 degrees and 82.0 degrees
  • Material
    Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 316
  • Material Specification
    66 federal standard all material responses
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Mil-f-14072 e300 military specification single treatment response
  • Thread Series Designator
    Unc
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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 5305004374253

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
7243305P001 Lockheed Martin Corporation
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