Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R66172B18288 found under Terminal Quick Disc by Unifab Industries Inc. The National Stock Number assigned to this part is 5940008594475, and the Federal Supply Class is 5940 Lugs Terminals And Terminal Strips. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like R66172B18288.