Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 245-5750299-005 found under Nut Plain Round by U D T Inc. The National Stock Number assigned to this part is 5310014419777, 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 245-5750299-005.