MIL-PRF-9000J(SH)
4.6.2 Engine tests. Engine tests for SAE 40 Grade oils shall be conducted and results evaluated to determine
compliance with API category CF and DDC 6V-92TA tests. Engine tests for SAE 15W40 Grade oils shall be
conducted and results evaluated to determine compliance with API category CH-4. These test methods are found in
ASTM D4485. Documentation showing previous satisfactory performance of qualifying product(s) in CF category
testing using 1.0 percent sulfur fuel will be accepted as proof of meeting these respective engine testing
requirements.
4.6.3 Compatibility. Precipitation or separation of insoluble materials from mixtures of the test oil with
representative (see 6.10) approved SAE 40 Grade (MS 9250) or 15W40 Grade reference oil shall be determined as
follows:
a. Create five different mixes of the test oil and the representative approved SAE 40 (MS 9250) or 15W40 oil:
one at 100:0, one at 50:50, one at 90:10, one at 10:90, and one at 0:100, and place each mixture in a separate 100 mL
centrifuge tube.
b. The tubes containing the mixtures of oils shall be placed in a vibrator machine or manually shaken for 15
minutes at room temperature.
c. At the completion of the shaking period, all of the tubes shall be placed in an oven and heated at 60 °C for a
period of up to two weeks, in accordance with 4.6.3d.
d. Examine the tubes not less than once per two calendar days for evidence of separation in the oil such as a haze
or sediment. Continue the test until evidence of separation occurs or 2 weeks have passed.
4.6.4 Homogeneity. After determining the pour point of the oil, allow the oil to sit at 6 °C above the pour point
and examine test oil visually for sediment or separation of insoluble material. The oil shall regain homogeneity
within 24 hours. Next, place jar and oil in oil bath, bring temperature of bath to 180 °C and hold at test temperature
for 1 hour. Examine test oil visually during this process for sediment or separation of insoluble material. (see 3.6)
4.6.5 Toxicitv. The oil shall be evaluated by the Navy and Marine Corps Public Health Center (NMCPHC)
using the administrative Health Hazard Assessment (HHA). Sufficient data to permit an HHA of the product shall
be provided by the manufacturer/distributor to the NMCPHC. To obtain current technical information requirements
specified by the NMCPHC, see 6.8.
4.6.6 Off-gassing. The oil shall be tested by a Government-approved testing facility in accordance with
NAVSEA S9510-AB-ATM-010 chapter titled "Material Control Program". The results shall be submitted to the
4.6.7 2,6-Di-tert-butylphenol (DTBP). Analytical data with the method documented from a NAVSEA-
approved laboratory shall be submitted to document relative absence of DTBP, and, if detected, shall not exceed 10
ppm (see 3.10).
5. PACKAGING
5.1 Packaging. For acquisition purposes, the packaging requirements shall be as specified in the contract or
order (see 6.2). When packaging of materiel is to be performed by DoD or in-house contractor personnel, these
personnel need to contact the responsible packaging activity to ascertain packaging requirements. Packaging
requirements are maintained by the Inventory Control Point's packaging activities within the Military Service or
Defense Agency, or within the military service's system commands. Packaging data retrieval is available from the
managing Military Department's or Defense Agency's automated packaging files, CD-ROM products, or by
contacting the responsible packaging activity.
6. NOTES
(This section contains information of a general or explanatory nature that may be helpful, but is not mandatory.)
6.1 Intended use. The lubricating oils covered by this specification (SAE 40 and SAE 15W40) are intended
for use in advanced design high-output shipboard main propulsion and auxiliary diesel engines using fuel conforming
to MIL-DTL-16884 (with sulfur content of 0.5 mass percent or less) and MIL-DTL-5624.
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