A-A-50354 Coffee Makers, Percolator: ElectricThis commercial item description covers automatic, commercial percolator type coffee makers equipped with integral electrical heating elements, and a draw-off faucet. These coffee makers are intended for use in coffee messes, clubs for military personnel, cafeterias, exchanges, large galley messes where larger spray-over and pour-over coffee makers are required, and for stand-by, off-hour service in large mess halls.

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A-A-50354B

3.2 Construction Materials. The body of the coffee maker shall be fabricated from aluminum or stainless steel with mechanical properties, formability and finish to suit the intended application. Bases, knobs, handles, and similar parts shall be fabricated from heat resistant molded plastic material in accordance with the manufacturer’s standard practice. The covers shall be fabricated of aluminum stainless steel, heat resistant molded plastic material. The coffee basket and stem assembly shall be fabricated from materials with mechanical properties, durability and functional characteristics to suit the intended application.

3.3 Standards compliance. The coffee maker, including the heating element and markings, shall comply with Underwriters’ Laboratories (UL) Standard No. 197, Commercial Electric Cooking Appliance.

3.4 Performance. The capacity of the coffee maker shall be established on the basis of a 5-fluid ounce serving per cup. The coffee maker shall be capable of satisfactorily brewing coffee when operating with a volume of water equal to the number of cups specified in table 1 under minimum capacity. On completion of the brewing cycle and within a 2 minute interval, the temperature of the beverage shall be not less than 170 degrees (°) Fahrenheit (F) (77° Centigrade (C) and not more tham205°F (96°C).

TABLE 1. Coffee maker requirements.

3.5 Base. The base shall be constructed to allow filling a cup setting on a 5-7/8 inch (149 millimeters (mm) diameter saucer.

3.6 Draw-off faucet. The coffee maker shall have a self-closing, non-drip, draw-off faucet. The draw-off faucet shall have a suitable heat-resistant handle. The height of the draw-off faucet, measured from the tip of the faucet to the surface the coffee maker is resting on, shall not exceed 3-7/8 inches (98 mm).

3.7 Attachment cord. Each coffee maker shall have a flexible attachment cord not less than 2 feet (610 mm) and not more than 6 feet (914 mm) long.

3.8 Sight gage. The 55 and 80-cup coffee maker shall be equipped with a sight gage to indicate the coffee level in the coffee maker.

3.9 Signal light. The coffee maker shall be provided with a signal light to indicate when the coffee has reached serving temperature.