Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TRW290183 found under Valve Ball by Meggitt North Hollywood Inc. The National Stock Number assigned to this part is 4820001179968, 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 TRW290183.