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NSN 5305-01-323-3781

Button Head Socket Screw

About this product

1.750 inches fastener length, flat countersunk head style, 0.938 inches head diameter, internal drive style: hexagon.

Manufacturer part number 91253A718 for national stock number 5305013233781.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-01-323-3781.

  • MPN or Model

    91253A718

  • 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
    2a
  • Thread Direction
    Right-hand
  • Thread Length
    1.500 inches
  • Fastener Length
    1.750 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    0.938 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.500 inches
  • Width Across Flats
    0.312 inches
  • Thready Qty Per Inch (tpi)
    13
  • Min. Tensile Strength (psi)
    180000 pounds per square inch
  • Hardness Rating
    39.0 rockwell c and 45.0 rockwell c
  • Countersink Angle
    82.0 degrees
  • Color
    Black
  • Material
    Steel
  • Material Specification
    Sae gr8 assn standard single material response
  • Surface Treatment
    Oxide
  • 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 5305013233781

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
91253A718 Mcmaster-carr Supply Company
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