Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RD-5-5743-0-45 found under Screw Cap Hexagon Head by Red Dot Corporation. The National Stock Number assigned to this part is 5305015321508, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like RD-5-5743-0-45.