Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 60055400 found under Gage Comparator Air by Warner And Swasey Co. The National Stock Number assigned to this part is 5220010031353, 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 60055400.