Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BT7-85-ECB found under Grommet Nonmetallic by Device Technologies Inc. The National Stock Number assigned to this part is 5325014795331, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like BT7-85-ECB.