Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PMB-07-10 found under Valve Pressure Equalizing Gaseou by Vescor Corp. The National Stock Number assigned to this part is 4820014986241, 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 PMB-07-10.