MS21042-6 JETNUT KAYNUT ALL METAL LOCK NUT 3/8

MS21042 Jetnuts Kaynuts are all-metal, self-locking nuts. They are rated at 160,000 psi tensile strength and can withstand temperatures to 450°F. Because of their reduced hex dimension, they are widely used in limited space applications where wrench access is a problem. They are UP TO 63% lighter than nylock nuts. 

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