Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number IR-0018R found under Pliers Retaining Ring by Stride Tool Inc. The National Stock Number assigned to this part is 5120002889711, and the Federal Supply Class is 5120 Hand Tools Nonedged Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like IR-0018R.