MIL-PRF-85336B
4.3.1 Sampling.
4.3.1.1 Filled containers. A random sampling of filled unit containers and a random sample
of shipping containers fully prepared for delivery shall be selected from each lot of lubricant in
accordance with ASQC-Z1.4, Inspection Level II.
4.3.1.2 Test samples. A random two-liter sample for testing shall be selected from each lot
in accordance with ASTM-D4057 or ASTM-D4177.
4.4 Inspection methods. Inspection methods shall be in accordance with FED-STD-791,
Method 9601.
4.5 Method of examination and tests.
4.5.1 Examination of filled containers. Each of the filled containers, selected in accordance
with 4.3.1.1, shall be examined for defects of construction of the container and closure, evidence
of leakage, required markings, and net contents. Any container in the sample having one or more
defects or which is under the required fill shall be rejected. If the number of defective containers
in any sample exceeds the acceptance number for the appropriate sampling plan of ASQC-Z1.4,
the lot represented by the sample shall be rejected.
4.5.2 Test methods. Tests shall be performed in accordance with table III.
TABLE III. Test methods.
FED-STD-791
ASTM
Test
Method No.
Method No.
--
Evaporation 1/
D972
Oxidation stability 2/
--
D942
5304
Copper corrosion 3/
--
Wear prevention
--
D2266
1/ 22 hours at 99 °C. Use grease cup.
2/ 100 hours at 99 °C.
3/ The copper plates shall be cleaned and polished in accordance with ASTM-D130. Toluene
(see 6.4) shall be used to wash the plates rather than benzene.
4.5.3 Thickener purity. An infusion of the thickener shall be prepared by boiling 0.75 g of
the thickener in 25 mL distilled water for 30 seconds and filtering through fine #44 Whatman filter
paper, or equivalent. Care shall be taken to exclude detergents and other surface-active materials
from the infusion. The infusion shall not be diluted or allowed to evaporate appreciably. The
surface tension of the infusion shall then be measured by the ASTM-D971 ring method. The test
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