Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RBT18700-101-45 found under Markeridentification by Red Barn Machine Inc. The National Stock Number assigned to this part is 7690016776750, 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 RBT18700-101-45.