Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PTD-23000-8801 found under Washer Seal by Elbit Systems Sar And Data Links. The National Stock Number assigned to this part is 5310014891425, 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 PTD-23000-8801.