S-93802A625 8-32 x 3/8" MIL-DTL-18240, MS3212-23L, NASM3212, NASM82496 Sealing Thread-Locking Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior sealing performance with silicone rubber O-rings that withstand pressures up to 6000 psi, preventing leaks in critical applications
• Reliable vibration resistance through nylon patch thread locking, maintaining secure fastening in high-stress environments from -40° to 225° F
• Exceptional corrosion resistance with 18-8 stainless steel construction and passivated finish, ensuring long-term durability in harsh conditions
• High tensile strength of 70,000 psi provides robust mechanical performance for demanding aerospace and industrial applications
• Broad temperature compatibility with O-rings functioning from -80° to 400° F, suitable for extreme thermal cycling environments
• Precise Class 2A thread fit with UNC coarse threading ensures easy installation and consistent engagement in various materials
• Standard Phillips No. 2 drive enables efficient installation with common tools while the pan head design offers excellent torque transmission

Professional Applications & Engineering Value

These 8-32 UNC rounded head screws deliver critical engineering solutions where sealing capability and vibration resistance are paramount. The combination of nylon patch thread locking and silicone rubber O-rings addresses common industrial challenges of fluid leakage and fastener loosening under dynamic loads. Manufactured from 18-8 stainless steel with passivated finish, these fasteners maintain integrity in corrosive environments while the coarse UNC threading provides reliable engagement in various substrate materials. Ideal for aerospace applications, hydraulic systems, and industrial equipment requiring high-pressure sealing up to 6000 psi, these screws ensure operational reliability across extreme temperature ranges from -40° to 400° F.

Specification Summary & Compliance

This 3/8" length screw features Class 2A thread fit with UNC coarse threading (8-32 size) and meets critical military specifications including MIL-DTL-18240, MS3212-23L, NASM3212, and NASM82496. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets. Manufacturing follows precise dimensional standards with 0.347" head diameter and fully threaded design for consistent performance in applications requiring maximum hole diameter of 0.177".