Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BL 11331 2 found under Holder Roller by Breezeeastern Corporation. The National Stock Number assigned to this part is 5340015691638, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like BL 11331 2.