S-93802A729 10-32 x 1/2" MIL-DTL-18240, MS3212-33L, NASM3212, NASM82496 Sealing Thread-Locking Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior Sealing Performance: Integrated silicone rubber O-ring and fully threaded design create a reliable seal capable of withstanding pressures up to 6000 psi, preventing leaks in critical applications.
• Vibration-Resistant Locking: Nylon patch thread locker maintains secure fastening across a wide temperature range (-40° to 225°F), reducing maintenance needs in high-vibration environments.
• Exceptional Corrosion Resistance: Made from 18-8 stainless steel with passivated finish, providing long-lasting durability in harsh industrial conditions and corrosive environments.
• Precision Thread Compatibility: Class 2A thread fit ensures consistent engagement and reliable performance with UNF fine threading for superior holding power.
• Broad Temperature Tolerance: O-ring maintains sealing integrity across extreme temperatures from -80° to 400°F, suitable for diverse operating conditions.
• High Strength Construction: 70,000 psi tensile strength delivers reliable performance in demanding applications where structural integrity is critical.
• Regulatory Compliance Assurance: Meets MIL-DTL-18240, NASM3212, MS3212-33L specifications with RoHS 3 and REACH compliance for global industrial use.

Professional Applications & Engineering Value

This 10-32 UNF rounded head Phillips screw delivers exceptional engineering value through its dual-sealing technology, combining a silicone rubber O-ring with Nylon Patch thread locking to solve critical industrial challenges. The 18-8 stainless steel construction with passivated finish provides superior corrosion resistance, making it ideal for marine, chemical processing, and outdoor applications where environmental factors degrade ordinary fasteners. The Phillips drive No. 2 and pan head design ensure easy installation while maintaining a low profile. Engineered for high-pressure sealing applications up to 6000 psi, these screws prevent fluid and gas leaks in hydraulic systems, pneumatic equipment, and precision instrumentation. The fully threaded configuration and Class 2A thread fit guarantee consistent performance across multiple engagement scenarios, reducing assembly time and improving reliability in automated manufacturing environments.

Specification Summary & Compliance

This 1/2" length screw features precision 10-32 UNF fine threading with Class 2A thread fit for consistent dimensional accuracy. The fastener complies with multiple military and aerospace standards including MIL-DTL-18240, NASM3212, and MS3212-33L, ensuring reliability in critical applications. Environmental compliance is verified through RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) certifications. Manufacturing specifications include a maximum hole diameter of 0.2" and comprehensive temperature ratings for both the Nylon Patch thread locker (-40° to 225°F) and silicone rubber O-ring (-80° to 400°F), providing documented performance parameters for engineering validation.