APM 60064, M5423/16-001, is a toggle switch bushing seal from APM Hexseal. 60064 is a very rugged panel seal; mil spec, stainless steel with bonded silicone rubber; compatible with switch bushing 15/32-32 Diameter: 0.67". Among the most popular seals we sell, the APM 60064 is mil spec to M5423/16-01 formerly MS25196-1.