Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3140 003 00 found under Washer by Veeco Instruments Inc. The National Stock Number assigned to this part is 5310010229452, 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 3140 003 00.