Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 0-3800XX found under Gage Ring Master Se by Warner And Swasey Co. The National Stock Number assigned to this part is 5220004713247, and the Federal Supply Class is 5220 Inspection Gages And Precision Layout Tools. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 0-3800XX.