1、A-A-1761 62 W 7777779 0003872 I W A-A- k76 1 December 31, 1981 COMMERCIAL ITEM DESCRIPTION LAMPS, METAL HALIDE (175 WATTS) The General Services Administration has authorized the use of this commercial item description. This description covers metal halide lamps of 175 watts for general and street li
2、ghting. Salient characteristics: The lamp shall operate only on ANSI specified M57 metal halide ballasts. The lamp shall be used in enclosed fixtures only. The lamp shall burn in any position. Although the outer bulb shall be made of heat resistant glass, external protection of the lamp is still req
3、uired The lamp shall be in accordance with ANSI C78.380 and C78.387. The lamp shall have the characteristics specified in Table I. to eliminate the chance of bulb breakage due to direct contact with water during lamp operation. TABLE I Max. Overall Average* Length Rated Approx. Jmnens Type ANSI Code
4、 * Watts Bulb Base (inches) Finish Life (hrs) *Initial Mean* (Vertical) 1 M57PE-R175/U 175 BT-28/E-28 Mogul 8-5/16 Clear 7,500 14,000 10,800 (Horizontal) 12,000 8,300 (Vertical) 2 M57PF/R175/U 175 BT-28/E-28 Mogul 8-5/16 Coated 7,500 14,000 10,200 (Horizontal) 12,000 7,800 * The average rated life i
5、s for 10 hours per start. * Initial lumen ratings are based upon 100-hour photometry readings at rated lamp watts. * Value shown are based on operation under specified test conditions with 10 or more burning hours per start. * U stands for Universal Burning Position and means lamp can be burned in a
6、ny position. The issues of ANSI C78.380 and C78.387 in effect on the date of the solicitation shall be used to determine compliance with these requirements. Regulatory requirements. The manufacturer shallutilize recovered materials to the maximum extent practicable. Packaging, packing, and marking.
7、Packaging, packing, and marking shall be as specified in the contract or order. ANSI C78.380 and C78.387 are available from American National Standards Institute, Inc., 1430 Broadway, New York, NY 10018. MILITARY INTERESTS: User Activities Navy - YD Air Force - 99 CIVIL AGENCY COORDINATING ACTIVITY: GSA - FSS PREPARING ACTIVITY: GSA - FSS Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
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