Aircraft Stainless Steel Machine Screw length: 1/2", thread: 8-32, countersunk, flat head, stainless steel.

• NSN: 5305-00-079-5835
• Thread Series Designator: Unc (coarse thread)
• Thread Qty Per Inch (tpi): 32
• Thread Direction: Right-hand
• Thread Length: Between 0.438" and 0.50"
• Thread Class: 2a
• Thread Diameter: 0.164"
• Screw Surface Treatment: Passivate
• Screw Material Specification: 66 federal standard all material responses
• Screw Material: Steel comp 302 or steel comp 303 or steel comp 304
• Min. Tensile Strength (psi): 80000 pounds per square inch
• Internal Drive Style: Cross recess type 1
• Head Style: Flat countersunk
• Head Diameter: Between 0.285" and 0.332"
• Fastener Length: 0.50"
• Countersink Angle: Between 99.0 degrees and 101.0 degrees