S-93802A523 6-32 x 5/16" MIL-DTL-18240, MS3212-12L, NASM3212, NASM82496 Sealing Thread-Locking Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Exceptional sealing performance with silicone rubber O-ring, reliably withstanding pressures up to 6000 psi for leak-proof assemblies in demanding environments.
• Secure vibration resistance through nylon patch thread locking, maintaining fastener integrity across a wide temperature range from -40° to 225° F.
• High tensile strength of 70,000 psi ensures robust load-bearing capability and durability in high-stress industrial and aerospace applications.
• Corrosion-resistant 18-8 stainless steel construction with passivated finish provides long-lasting protection against harsh conditions and extends service life.
• Broad temperature compatibility with O-ring sealing effective from -80° to 400° F, ideal for extreme thermal cycling without performance loss.
• Precise UNC coarse threading with Class 2A fit allows for easy installation, reliable engagement, and consistent performance in standardized assemblies.
• Phillips drive and rounded pan head design facilitate straightforward installation and a low-profile, secure fit in various mounting scenarios.

Professional Applications & Engineering Value

This 6-32 x 5/16" rounded head Phillips screw is engineered to address critical challenges in industrial and aerospace applications where sealing integrity and vibration resistance are paramount. The combination of a silicone rubber O-ring and nylon patch thread locker effectively prevents fluid leakage and loosening under dynamic loads, making it ideal for pressurized systems, enclosures, and machinery subjected to thermal fluctuations from -80° to 400° F. Constructed from 18-8 stainless steel with a passivated finish, it offers superior corrosion resistance, while the UNC coarse thread and Class 2A fit ensure quick, reliable assembly. These features collectively reduce maintenance needs, enhance safety, and support compliance with rigorous MIL-DTL-18240 standards, providing dependable performance in high-pressure environments up to 6000 psi.

Specification Summary & Compliance

This screw adheres to precise dimensional standards, including UNC coarse threads with a Class 2A fit for consistent threading accuracy. It meets stringent specifications such as MIL-DTL-18240, MS3212-12L, NASM3212, and NASM82496, ensuring reliability in regulated sectors. Additionally, the product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmental and safety standards in global supply chains.