Instrument Mount Nut Ring 3 1/8" VSI/Altimeter
Altimeter / VSI Nut Ring
These instrument mounting rings are a clever solution to an old problem. It consists of a mounting plate with threaded inserts that will slide over the body of most instruments to provide a secure, simple and easy way to fasten the instrument to the panel. They include the screws and nylon washers.
The fits the standard 3-1/8" instruments.
The fits altimeters and vertical speed indicators which require only 3 mounting nuts.
The is for the standard 2 ¼" style instruments.
These units are NOT required with the 2 ¼" engine gauge series produced and sold by Van's Aircraft as these come with mounting nuts installed.