In addition to the guidance provided in Part One, paragraphs 5.14 and 5.17, the following information is provided to assist in the evaluation of the test results. Analyze any failure of a test item to meet the requirements of the materiel specifications and consider related information such as follows.
MIL-STD-810H
METHOD 506.6
5.1 Operational Failures
- a. Degradation allowed in the performance characteristics because of rainfall exposure.
- b. Necessity for special kits for special operating procedures.
- c. Safety of operation.
5.2 Water Penetration
Based on the individual materiel and the requirements for its non-exposure to water, determine if one of the following is applicable:
- a. Unconditional failure. Any evidence of water penetration into the test item enclosure following the rain test.
- b. Acceptable water penetration. Water penetration of not more than 4 cm³ per 28,000 cm³ (1 ft³) of test item enclosure provided the following conditions are met:
- (1) There is no immediate effect of the water on the operation of the materiel.
- (2) The test item in its operational configuration (transit/storage case open or removed) can successfully complete the aggravated temperature/humidity procedure of Method 507.