Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BJC-MS3180BC found under Cover Electrical Connector by Bean Rubber Mfg Co. The National Stock Number assigned to this part is 5935011721002, and the Federal Supply Class is 5935 Connectors Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like BJC-MS3180BC.