Grayhill, Inc. Keyboard,16Btn Grayhill 88BB2-052

The Grayhill Series 88 is a sealed, flange-mounted keyboard with snap-dome contacts rated for 3,000,000 operations per button. The 4x4 configuration features a 2.700 in (68.58 mm) width and 2.500 in (63.5 mm) height, with terminal spacing of 0.100 in (2.54 mm). It uses a matrix circuit with single pole/common bus termination and has embossed button areas. A colorful graphic overlay supports user-legending, and an optional panel seal gasket is available for environmental protection.