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NSN 5305-01-307-5029

Button Head Socket Screw

About this product

0.500 inches fastener length, knurled no. 1 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 91251A578 for national stock number 5305013075029.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-01-307-5029.

  • MPN or Model

    91251A578

  • 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 0.389 inches and 0.500 inches
  • Fastener Length
    0.500 inches
  • Head Style
    Knurled no. 1
  • Head Diameter
    Between 0.457 inches and 0.469 inches
  • Head Height
    Between 0.306 inches and 0.312 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.312 inches
  • Width Across Flats
    0.250 inches
  • Thready Qty Per Inch (tpi)
    18
  • Min. Tensile Strength (psi)
    180000 pounds per square inch
  • Hardness Rating
    39.0 rockwell c and 45.0 rockwell c
  • Color
    Black
  • Material
    Steel
  • Material Specification
    Sae grade 8 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 5305013075029

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
91251A578 Mcmaster-carr Supply Company
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