S-93802A545 6-32 x 1" MIL-DTL-18240, MS3212-20L, NASM3212, NASM82496 Sealing Thread-Locking Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Reliable sealing under extreme conditions with a silicone rubber O-ring rated for -80° to 400° F and pressure up to 6000 psi, preventing leaks in demanding environments.
• Secure vibration-resistant locking thanks to the permanent nylon patch thread locker, maintaining clamp load from -40° to 225° F without loosening.
• Superior corrosion resistance from 18-8 Stainless Steel construction, ensuring long-term durability in harsh or humid applications.
• High tensile strength of 70,000 psi for robust mechanical performance, reducing the risk of fastener failure under load.
• Easy installation and removal with a standard Phillips No. 2 drive and UNC coarse threads, speeding up assembly while minimizing cross-threading.
• Precise Class 2A thread fit for consistent engagement and smooth threading into standard 0.15" maximum hole diameters.
• Full compliance with MIL-DTL-18240 and environmental standards, including RoHS 3 and REACH, ensuring quality and regulatory acceptance for industrial and defense uses.

Professional Applications & Engineering Value

This Phillips Pan Head Sealing Screw is engineered to address critical challenges in industrial sealing and vibration-prone assemblies. The combination of a silicone rubber O-ring and nylon patch thread locker provides dual protection against fluid ingress and mechanical loosening, making it ideal for high-pressure systems such as hydraulic components, pneumatic equipment, and marine hardware. Constructed from 18-8 Stainless Steel, it resists oxidation and chemical exposure, while the UNC coarse thread and Class 2A fit ensure reliable installation in coarse-threaded holes. Fully compliant with MIL-DTL-18240 (including MS3212-20L, NASM3212, and NASM82496), this fastener delivers consistent performance in aerospace, automotive, and heavy machinery applications where safety and longevity are paramount.

Specification Summary & Compliance

This screw features a 6-32 UNC coarse thread with Class 2A tolerance for precise fit, a 1" length, and is fully threaded for maximum holding power. It meets MIL-DTL-18240 specifications (MS3212-20L, NASM3212, NASM82496) and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring it is free of hazardous substances and suitable for global industrial use.