Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RM1-1 found under Bumper Turret by Santa Rosa Mfg Co Inc. The National Stock Number assigned to this part is 4210010422643, 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 RM1-1.