Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 13MPE-101-014 PC. 50 found under Spring Clamp Hold All Diving Bel by Willard Marine Inc. The National Stock Number assigned to this part is 4220012089316, 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 13MPE-101-014 PC. 50.