Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 45790 ITEM 88 found under Switch Push by Engine Monitor Inc. The National Stock Number assigned to this part is 5930014065942, 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 45790 ITEM 88.