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NSN 5305-01-287-2261

Button Head Socket Screw

About this product

Between 0.470 inches and 0.500 inches fastener length, flat chamfer head style, between 0.550 inches and 0.562 inches head diameter, head height: between 0.368 inches and 0.375 inches .

Manufacturer part number 3/8-16UNC 3A X 1/2 IN. LG. for national stock number 5305012872261.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-01-287-2261.

  • MPN or Model

    3/8-16UNC 3A X 1/2 IN. LG.

  • 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
    0.345 inches
  • Fastener Length
    Between 0.470 inches and 0.500 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    Between 0.550 inches and 0.562 inches
  • Head Height
    Between 0.368 inches and 0.375 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.375 inches
  • Width Across Flats
    0.312 inches
  • Thready Qty Per Inch (tpi)
    16
  • Hardness Rating
    37.0 rockwell c and 45.0 rockwell c
  • Surface Finish
    63.0 microinches grip
  • Part Name Assigned By Controlling Agency
    Navy special project
  • Material
    Steel comp 4340
  • Material Specification
    Astm a574 assn standard single material response
  • Thread Series Designator
    Unc
  • Nondefinitive Specification/std Data
    2 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 5305012872261

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
3/8-16UNC 3A X 1/2 IN. LG. American National Standards
MIL-DTL-1222 Military Specifications
MIL-S-1222 Military Specifications
3/8-16UNC 3A X 1/2 IN. LG. American National Standards
Stock Check
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