Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 300184 REV U R10 ITEM NO. 3 found under Shaftstraight by Tri Tec Manufacturing Llc. The National Stock Number assigned to this part is 3040016808749, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 300184 REV U R10 ITEM NO. 3.