Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 603490 900094 found under Cock Drain by Bfm Transport Dynamics Corp. The National Stock Number assigned to this part is 4820011943632, 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 603490 900094.