Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 27888-000-0 found under Valve Linear Direct by Upright Inc. The National Stock Number assigned to this part is 4810012706503, 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 27888-000-0.