Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number E93-1156-01 ITEM 4 found under Contactor Magnetic by Stewart And Stevenson Power Products. The National Stock Number assigned to this part is 6110013900811, and the Federal Supply Class is 6110 Electrical Control Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like E93-1156-01 ITEM 4.