Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 343 495 99 found under Washer Flat by Mannesmann Demag Corp. The National Stock Number assigned to this part is 5310014365557, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 343 495 99.