A-A-1974A
3.2.1.1 Type I. Type I flashlights shall be a commercial type designed for general usage and shall meet all requirements of this cid. The case, caps, and lens rings may be metal, plastic, or combination thereof. Metal case flashlights shall be either steel or aluminum, with a chrome plated or painted finish. The color of the case shall be the manufacturer’s option with the exception of olive drab.
3.2.1.2 Type II. Type II flashlights shall be watertight and designed for rough service usage. Type II flashlights shall meet all applicable requirements of this cid. The case, caps, lens rings, and storage compartments for spare lens shall be of molded plastic such as polypropylene, polycarbonate, or other suitable material. Switch contacts shall be of brass, bronze, copper coated steel, or other suitable material. Gaskets shall be provided at any joint through which moisture could enter the interior of the flashlight. The gaskets shall be resistant to oil and water. Unless otherwise specified, the battery case color shall be olive drab to approximately match color number 14087 of FED-STD-595. Colors of the end cap and lens ring shall be the manufacturer’s option.
3.2.2 Classes.
3.2.2.1 Class A. Class A flashlights shall hold two “D” cell batteries and use a PR2 lamp.
3.2.2.2 Class B. Class B flashlights shall hold three “D” cell batteries and use a PR3 lamp.
3.2.3 Lens. The lens shall be formed from clear plastic that will not discolor or be affected by salt water, oil, or gases. Glass lens may be used in type I flashlights provided all other requirements of the cid are fulfilled. The light transmission of the lens shall be a minimum of 85 percent. The diameter of the lens shall be a minimum of 1-1/2 inches (3.8 cm).
3.2.4 Reflector. The contour of the reflector shall be essentially parabolic in design. The reflector shall be designed and. finished in a manner which assures a coefficient of reflection meeting the requirements of this cid. The reflector shall have sufficient rigidity to prevent distortion when the lamp and batteries are in place. The reflecting surface or facets shall be smooth and free from bubbles or pits.
3.2.5 Battery contact spring. The length and design of the rear contact spring shall accommodate the required number of batteries. The spring shall compress a minimum of 3/8 inch (9.5 mm) and exert a force of not less than 2 pounds (8.9 N).
3.2.6 Roll. The flashlight fully assembled, with batteries, shall be constructed so that when placed on a hard stationary flat surface, inclined 5 degrees for type I and 10 degrees for type II, the flashlight shall not slip, slide, or roll more than 4-1/2 inches (11.4 cm).
3.2.7 Suspension holder (type II only). The type II flashlight shall be equipped with a suspension holder capable of supporting without distortion a weight of 15 pounds (6.8 kg) for two cell flashlights and 25 pounds (11.4 kg) for three cell flashlights. The loop of the holder
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