Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number VM4151003 found under Valve Stop Check by Meggitt New Hampshire Inc. The National Stock Number assigned to this part is 4820014933571, 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 VM4151003.