Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RFW 26.6 X 38.1 X 2 found under Washer by Pearson Engineering Ltd. The National Stock Number assigned to this part is 5310991543025, 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 RFW 26.6 X 38.1 X 2.