A-A-1974A
taken at the center and on concentric 4 inch (10.2 cm) and 8 inch (20.3 cm) circles. The calculation of beam candlepower shall be as follows:
I-E x D2
Where =
1 = Luminous intensity of the light beam, candelas
E = Illuminance reading of photometer, foot-candles
D = Distance between lens of the flashlight and photoreceptor, feet
|
Type |
Illumination Candle Power |
|||
|
Class Style |
Center and points on 4 inch circle |
8 inch circle, 4 points |
||
|
|
Minimum |
Minimum average |
Minimum |
Minimum average |
|
I-A-1 |
540 |
720 |
270 |
315 |
|
II-A-2 |
540 |
720 |
270 |
315 |
|
I-B-1 |
1080 |
1350 |
450 |
500 |
|
II-B-2 |
1080 |
1350 |
450 |
500 |
3.3.2 Durability. Type I flashlights with batteries installed shall show no evidence of damage when dropped from a minimum height of 3 feet.(0.91 m) on to a concrete surface for a minimum of 6 drops. Type II flashlights (with batteries installed) shall show no evidence of damage when dropped from a minimum height of 5 feet (1.5 m) on to a concrete surface for a minimum’ of 6 drops. The flashlights shall be” completely operable after this test; however, lamp filament damage shall not be a cause for rejection.
3.3.3 Water resistance, type II. Type II flashlights shall be resistant to salt water entry. The interior of the flashlight shall remain dry after immersion in a salt water bath for 1 hour at a depth of 3 feet (0.9 m). The salt water shall have a minimum specific gravity of 1.04 and shall be at a temperature of 72 to 82 degrees Fahrenheit.
3.4 Workmanship. The flashlights shall be free from defects such as sharp edges, improper plating, painting, discoloration, chipping, cracking of the finish, or other visual defects which detract from the appearance or impair the serviceability. The flashlights shall function without any assembly required with the exception of installing batteries.
3.5 Metric products. Products manufactured to metric dimensions will be considered on an equal basis with those manufactured using inch-pound units, providing they fall within tolerances specified and all other requirements of this document are met. If a product is manufactured to metric dimensions and those dimensions exceed the tolerances specified in the inch-pound units, a request should be made to the contracting officer to determine if the product is acceptable.
4. REGULATORY REQUIREMENTS
4.1 Recovered materials. The offeror/contractor is encouraged to use recovered materials to the maximum extent practicable, in accordance with paragraph 23.403 of the Federal Acquisition Regulation (FAR).
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