NSN 5305-01-225-6308

Button Head Socket Screw

About this product

Between 0.845 inches and 0.875 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 SF11059-77 for national stock number 5305012256308.


  • Product description

    Socket Head Cap Screw NSN 5305-01-225-6308.

  • MPN or Model


  • 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
  • Thread Direction
  • Thread Length
    Between 0.750 inches and 0.875 inches
  • Fastener Length
    Between 0.845 inches and 0.875 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
  • Locking Feature
    Pellet threads
  • Internal Drive Style
  • Thread Diameter
    0.375 inches
  • Width Across Flats
    Between 0.312 inches and 0.316 inches
  • Thready Qty Per Inch (tpi)
  • Min. Tensile Strength (psi)
    170000 pounds per square inch
  • Hardness Rating
    38.0 rockwell c and 45.0 rockwell c
  • Minimum Yield Strength
    150000 pounds per square inch
  • Surface Finish
    63.0 microinches bearing surface of head
  • Material
    Steel fastener
  • Surface Treatment
    Cadmium and chromate fastener
  • Surface Treatment Specification
    Qq-p-416, type 2 class 2 federal specification single treatment response fastener
  • Thread Series Designator
  • Specification Data
    80205-nas1352 professional/industrial association standard
More from these suppliers
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

Pricing and Availability

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NSN 5305012256308

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
SF11059-77 Imo Industries Inc.
NAS1352-6LE14 National Aerospace Standards
NAS1352-6LN14P National Aerospace Standards
Stock Check
Availability for this item was last checked on 02/02/23. The quantities and conditions available at the time were:
  • NS: 300
  • NE: 921