Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NYE1990-10PC28 found under Seat Valve by Ecolaire Heat Transfer Co. The National Stock Number assigned to this part is 4810003343918, and the Federal Supply Class is 4810 Valves Powered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like NYE1990-10PC28.