Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MAI9691436 found under Diaphragm Valve Fla by Argus Mfg Corp. The National Stock Number assigned to this part is 4820009691436, 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 MAI9691436.