NAS1801-3-6 - Screw

Part number NAS1801-3-6 is a machine screw with integral washer head and Phillips cross recess drive, designed for aerospace and high-reliability fastening applications requiring secure threaded attachment and low-profile installation.

Specifications

• Type: Machine Screw / Washer Head Screw
• Thread Size: #3
• Grip/Shank Length: 9.45 mm
• Head Diameter: 4.73 mm
• Overall Length: 12.46 mm
• Drive Type: Phillips cross recess
• Head Style: Hex washer head
• Material: Corrosion-resistant steel alloy
• Finish: Cadmium or corrosion-resistant plated finish

Features

• Integral washer head distributes clamping load
• Phillips recess allows positive tool engagement
• Precision threaded shank for secure fastening
• Corrosion-resistant aerospace-grade construction
• Compact low-profile head design
• Suitable for vibration-resistant assemblies