NAS623-3-4 - Screw

Part number NAS623-3-4 is a pan head Phillips machine screw manufactured to NAS aerospace standards for precision fastening applications requiring reliable clamp load, corrosion resistance, and aerospace-grade performance.

Specifications

• Type: Pan Head Machine Screw
• Standard: NAS623 Series
• Drive Type: Phillips recessed drive
• Shank Length: 13.86 mm
• Head Diameter: 4.73 mm
• Overall Length: 16.68 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

• Rounded pan head provides increased bearing surface and secure seating
• Phillips recess supports standard aerospace assembly tooling
• Precision-machined shank improves alignment and shear capability
• High-strength alloy steel construction for demanding structural use
• Corrosion-resistant finish suitable for aviation environments
• NAS-standard dimensions ensure interchangeability and dependable fit