Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SWA B 4CP2 EPDG 10 found under Valve Safety Relief by Kipper Tool Company. The National Stock Number assigned to this part is 4820016431660, 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 SWA B 4CP2 EPDG 10.