Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3HL7104-1 found under by Mansfield Brass And Aluminum. The National Stock Number assigned to this part is 5310007920963, 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 3HL7104-1.