Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 12321610 found under Rubber Seal by Aerofab Company Inc Jules Bols. The National Stock Number assigned to this part is 5330012006132, and the Federal Supply Class is 5330 Packing And Gasket Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 12321610.