Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R-1-33-5 found under Transducer Motional Pickup by Rolls Royce Marine North America. The National Stock Number assigned to this part is 6695013750942, 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 R-1-33-5.