Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number H59687APC1 found under Ring Seal Threaded by Crafts Precision Industreis Inc. The National Stock Number assigned to this part is 4310013023003, and the Federal Supply Class is 4310 Compressors And Vacuum Pumps. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like H59687APC1.