The 812-0973 is an amber-colored indicator cap designed for the 812 Series press-to-test incandescent panel mount indicator system. It features a high-impact plastic construction with a translucent amber lens finish, compatible with T-1 3/4 midget flange base incandescent lamps or based LED lamps. The cap is engineered for 15/32" mounting hole applications and integrates with the press-to-test flange nut mechanism for convenient testing functionality. With dimensions of 7.16 mm [2.81"] height, 12.70 mm [5.0"] diameter, and 18.20 mm [7.20"] maximum overall length, this indicator cap provides reliable visual indication in industrial control panels and equipment. The amber lens color makes it ideal for warning or caution status indication in various instrumentation and monitoring applications.