Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 213181 found under Plug Machine Thread Magnetic by H And S Aviation Ltd. The National Stock Number assigned to this part is 5365010308239, and the Federal Supply Class is 5365 Bushings Rings Shims And Spacers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 213181.