Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number N252-500SS found under Fiber Rope Assembly Set by Mazzella Jhh Company Inc. The National Stock Number assigned to this part is 4020014956232, and the Federal Supply Class is 4020 Fiber Rope Cordage And Twine. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like N252-500SS.