Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BJC6 found under Cap Protective Dust And Moisture by Bean Rubber Mfg Co. The National Stock Number assigned to this part is 5340010304210, 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 BJC6.