Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 763-1-3-15-75 found under by Baumann H D Associates Ltd. The National Stock Number assigned to this part is 4820013672048, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 763-1-3-15-75.