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NSN 5305-00-638-8531

Button Head Socket Screw

About this product

2.250 inches fastener length, flat chamfer head style, between 0.429 inches and 0.437 inches head diameter, head height: between 0.306 inches and 0.312 inches .

Manufacturer part number MS35457-56 for national stock number 5305006388531.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-00-638-8531.

  • MPN or Model

    MS35457-56

  • 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
    1.125 inches
  • Fastener Length
    2.250 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    Between 0.429 inches and 0.437 inches
  • Head Height
    Between 0.306 inches and 0.312 inches
  • Internal Drive Style
    Hexagon
  • Thread Diameter
    0.312 inches
  • Width Across Flats
    Between 0.219 inches and 0.221 inches
  • Thready Qty Per Inch (tpi)
    18
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Hardness Rating
    36.0 rockwell c and 45.0 rockwell c
  • Minimum Yield Strength
    130000 pounds per square inch
  • Material
    Steel
  • Surface Treatment
    Cadmium or zinc
  • Surface Treatment Specification
    Qq-p-416 type 2 cl 3 federal specification 1st treatment response or qq-z-325 type 2 cl 3 federal specification 2nd 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 5305006388531

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
MS35457-56 Military Standards
FFS86TYPE1STYLE11 Federal Specifications
ASAB18-3-1954 American National Standards
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