Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S41038-A-B-A100A found under Washer by Halliburton Services. The National Stock Number assigned to this part is 5310012111195, 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 S41038-A-B-A100A.