The Avox branded RN-2550 is an accurate but low-priced automotive type instrument for light aircraft. It is designed to fit panel holes from 2-1/16 inch diameter to 2-1/8 inch diameter. It has a 1/8 inch NPT thread, flared tube fitting connection.
Mounting flange not included.
Manufacturer PN: 13343-01
Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.