NAS623-4-5 - Screw

Part number NAS623-4-5 is a pan head Phillips machine screw manufactured to NAS aerospace standards for high-strength fastening applications requiring reliable clamp load, precision fit, and corrosion resistance.

Specifications

• Type: Pan Head Machine Screw
• Standard: NAS623 Series
• Drive Type: Phillips recessed drive
• Shank Length: 16.27 mm
• Head Diameter: 6.27 mm
• Overall Length: 20.21 mm
• Head Style: Pan head
• Material: Aerospace alloy steel
• Finish: Corrosion-resistant cadmium or equivalent protective coating
• Thread Type: Fine aerospace machine thread
• Configuration: Partially threaded shank

Features

• Pan head design provides broad bearing surface and secure seating
• Phillips recess compatible with standard aerospace tooling
• Precision-machined shank improves alignment and shear performance
• High-strength alloy steel construction for structural reliability
• Corrosion-resistant finish suitable for aviation environments
• NAS-standard dimensions ensure interchangeability and dependable fit