Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RM1-166 found under Cylinder Rod Nose P by Santa Rosa Mfg Co Inc. The National Stock Number assigned to this part is 4210010420430, and the Federal Supply Class is 4210 Firefighting Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like RM1-166.