Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NAS1149D01416J found under Washer Flat by National Aerospace Standards. The National Stock Number assigned to this part is 5310014528542, 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 NAS1149D01416J.