Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ACG 045N5 NTBP 631 found under Washer Flat by Imo Industries Inc. The National Stock Number assigned to this part is 5310014183739, 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 ACG 045N5 NTBP 631.