Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5340-083-0001 found under Cap Protective Dust by Textron Systems Corporation. The National Stock Number assigned to this part is 5340012529972, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5340-083-0001.