Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CH661-BB12 found under Canister Bottom Piggyback by North Coast Outfittersltd. The National Stock Number assigned to this part is 3920015235180, and the Federal Supply Class is 3920 Material Handling Equipment Nonself-Propelled. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CH661-BB12.