Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D1500859 ITEM 6 found under Switch Subassembly by Mcl Industries Inc. The National Stock Number assigned to this part is 5930014216040, 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 D1500859 ITEM 6.