Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HWF375-3X found under Washer Flat by Electrorack Products Company. The National Stock Number assigned to this part is 5310016191339, 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 HWF375-3X.