... connectors, J7W is sealing type, with GJB176A-86 standard terminal blocks,Rectangular connectors J7,military connectors J7 series of products ... welding, is small in size, light weight characteristics, widely used in strategic weapons systems, NASA satellite systems,elctronic instruments, meters ... , gold platedRubber pieces: Silicone rubber materialsMechanical life: 500 cycles terminal blocks