Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EYS1 found under Sealing Fitting Electrical Condu by Crouse Hinds Electro. The National Stock Number assigned to this part is 5975002657485, and the Federal Supply Class is 5975 Electrical Hardware And Supplies. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like EYS1.