Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TE4001PB2 found under Valve Plug by Puget Sound Commerce Centerinc. The National Stock Number assigned to this part is 4820003743408, 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 TE4001PB2.