MIL-DTL-23549D
1/ Thirty hours at 177 °C (350 °F).
2/ If a strip appears to have a darker orange color than ASTM-D130 standard strip 1b,
consider the observed strip as still belonging in ASTM-D130 classification 1b. However,
if any evidence of red color is noticed, the observed strip belongs in ASTM-D130
classification 2.
3/ After a test period of 48 hours, the steel disk shall show no corrosion in the area
contacted by the brass clip. Slight corrosion in the area adjacent to the edge of the brass
clip shall be acceptable.
4/ A thin film of oil or light scum shall not be cause for rejection.
5/ Change in test value from the original worked penetration.
3.4 Workmanship. The grease shall be a smooth, homogeneous, and uniform product that
is not gritty.
4. VERIFICATION
4.1 Classification of inspection. The inspection requirements specified herein are classified
as follows:
a. Qualification inspection (see 4.2).
b. Conformance inspection (see 4.3).
4.2 Qualification inspection. The qualification inspection shall consist of all tests and
examinations of this specification (see 6.3).
4.2.1 Retention of qualification. In order to retain qualification of a product approved for
listing on the qualified Products List (QPL), the manufacturer will be required to verify by
certification to the qualifying activity that the manufacturer's product complies with the
requirements of this specification. The time of periodic verification by certification shall be in
two year intervals from the date of original qualification. The Government reserves the right to
re-examine the qualified product whenever deemed necessary to determine that the product
continues to meet any or all of the specification requirements.
4.3 Conformance inspection. Conformance inspection shall consist of the examinations and
tests specified in table II.
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