Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CR1-31000-1 found under Robot Explosive Ordnance Disposa by Irobot Corporation. The National Stock Number assigned to this part is 1385016033586, 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 CR1-31000-1.