Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 53Z-02-254 found under Plate Retaining Shaft by United States Department Of The Navy. The National Stock Number assigned to this part is 3040013869858, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 53Z-02-254.