Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number JSFW19P12A found under Washer Convex by Forrest Machining Inc. The National Stock Number assigned to this part is 5310016489576, 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 JSFW19P12A.