Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A6013-LPD-004 PC 27 found under Washer Flat by Railway Specialties Corporation. The National Stock Number assigned to this part is 5310015179311, 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 A6013-LPD-004 PC 27.