LOCTITE® 242® is a medium-strength, thixotropic threadlocker designed for locking and sealing threaded fasteners that require normal disassembly with hand tools. This blue, one-component adhesive cures in the absence of air and offers excellent resistance to vibration, shock, and leakage. It is ideal for use on less active substrates, such as plated surfaces, and is tested to military specification Mil-S-46163A. LOCTITE® 242® provides reliable performance in a wide range of applications, including automotive, industrial, and maintenance sectors.