Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 887B051248 found under Stem Valve by Chatham Controls Corp. The National Stock Number assigned to this part is 4820010336894, 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 887B051248.