MIL-L-87177 Lubricants, Water Displacing, SyntheticThis specification covers synthetic, water displacing lubricant, compounds which may be applied from gas pressurized containers, or by dipping or brushing.

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MIL-L-87177A

TABLE III. Quality conformance inspection  1 I

pressurized containers

1I Refer to 4.5.

4.5.4 Inspection of packaged containers. The packaging containers, packing, and mark- ing of type I and type II compound shall be inspected to determine conformance to the requirements of section 5. Selection shall be in accordance with MIL-STD-105, inspec- tion level S-2, 2.5 percent defects per 100 units. Sample units used in sampling plans

A and B shall be used for this inspection (see 4.4.2).

4.6  Method of inspection

4.6.1 Dryness test. Three test disks (4.3.2.2) prepared as specified in 4.3.2.3 shall be cleaned as specified in 4.3.2.4, coated as in 4.3.2.5, and allowed to hang in a vertical position for two hours. They shall then be weighed and completely immersed vertically in talcum powder and withdrawn immediately. They shall then be reweighed to the nearest 0.0001 gram. The average change in weight shall be recorded. This procedure shall be repeated with test disks which have not been coated. These shall be used as controls. The average weight increase of the coated panels as compared with the weight increase of the uncoated panels shall be the measure of dryness.

4.6.2 Grade A- synthetic sea water displacement procedure. Panels prepared as specified in 4.3.2.3 and 4.3.2.4 shall be so placed that one 2-inch end shall be raised one inch above a horizontal surface. The panels shall then be sprayed with the synthetic sea water so that the entire upper surface of specimen is covered with tiny droplets. Within one minute after spraying, one milliliter of the test compound shall be poured along the upper 2-inch edge of the panels and allowed to run slowly down the specimen so as to completely cover the test panel. After another minute, a second milliliter of the test compound shall be poured and allowed to run down the panels in a like manner. After waiting an additional minute, the panels shall be picked up and held in a vertical position for one minute and shall then be placed flat (test side up) above distilled water at 7°F in a closed desiccator. After 24 hours they shall be removed and cleaned with mineral spirits, and then evaluated for presence of visible corrosion.

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