S-93802A629 8-32 x 1/2" MIL-DTL-18240, MS3212-25L, NASM3212, NASM82496 Sealing Thread-Locking Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior sealing performance with a silicone O-ring that withstands pressures up to 6000 psi, preventing leaks in demanding industrial environments.
• Reliable vibration resistance thanks to the nylon patch thread locker, maintaining secure fastening from -40° to 225°F without loosening.
• Exceptional corrosion resistance from 18-8 stainless steel and passivated finish, ensuring long-term durability in harsh conditions.
• High tensile strength of 70,000 psi for robust load-bearing capabilities, reducing the risk of fastener failure under stress.
• Broad temperature compatibility with O-ring and thread locker ranges (-80° to 400°F and -40° to 225°F), ideal for varied thermal applications.
• Easy installation and removal with Phillips No. 2 drive and UNC coarse threads, saving time and labor in assembly processes.
• Compliance with major industry standards like MIL-DTL-18240, ensuring consistency and reliability for critical B2B applications.

Professional Applications & Engineering Value

This 8-32 x 1/2" rounded head Phillips screw is engineered to address common industrial challenges such as fluid leakage and vibration-induced loosening in high-pressure systems. Constructed from 18-8 stainless steel with a passivated finish, it offers excellent resistance to corrosion, extending service life in environments like chemical processing or marine equipment. The combination of a silicone O-ring and nylon patch thread locker provides a dual-sealing and locking mechanism, ensuring airtight and secure connections in applications ranging from hydraulic systems to aerospace components. Its UNC coarse threads and Class 2A fit facilitate quick assembly while maintaining precision, making it a cost-effective solution for industries requiring reliable sealing screws that meet stringent MIL-DTL-18240 specifications.

Specification Summary & Compliance

This screw features a 1/2" length with 8-32 UNC coarse threads and Class 2A thread fit for dimensional accuracy. It complies with specifications including MIL-DTL-18240 (referencing MS3212-25L, NASM3212, and NASM82496), and is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring environmental and safety standards are met for global industrial use.