Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EFS1184-S111 found under Switch Push by Crouse Hinds Electro. The National Stock Number assigned to this part is 5930010518252, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like EFS1184-S111.