Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DE1058 found under Lever Breathing Valve by Divex Ltd. The National Stock Number assigned to this part is 4220013303273, and the Federal Supply Class is 4220 Marine Lifesaving And Diving Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like DE1058.