Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FK30.70(2)GB 526530 DN350 SST found under Valve Stop Check by Naf Ab. The National Stock Number assigned to this part is 4820014204121, 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 FK30.70(2)GB 526530 DN350 SST.