Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 10IN 15F-3 7878REV0 882049827 found under Valve Gate by William E Williams Valve Corp. The National Stock Number assigned to this part is 4820004825813, 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 10IN 15F-3 7878REV0 882049827.