Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 16B8SW-Y-2 found under Meter Time Totalizing by General Time Corp. The National Stock Number assigned to this part is 6645002090420, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 16B8SW-Y-2.