Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 99-00001 found under Valve Assembly by Bae Systems Land And Armaments L P. The National Stock Number assigned to this part is 4820001912944, 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 99-00001.