MIL-PRF-25369D
The maximum filling density for the Type I cylinder shall be 72 percent. The maximum filling
density for Types II and III shall be 76 percent.
4.8
Acidity. To test for acidity, pass 1 liter of the non-medicinal carbon dioxide from the
container through 50 milliliters (mils) of recently boiled distilled water which has been cooled to
room temperature. Regulate the flow so as to require 15 minutes for delivery of 1 liter of the gas.
The delivery tube shall have an orifice approximately 1 millimeter (mm) in diameter and shall
extend to within 2 mm of the bottom of the vessel containing the distilled water. The vessel
employed shall give a hydrostatic column of 12 to 14 centimeters, with 50 mils of distilled water.
The gas shall be measured by means of a gas meter after its passage through the distilled water.
After the passage of the gas, pour the liquid into one of two similar comparator tubes. To tube A
add two drops of methyl orange indicator. To tube B containing 50 mils of cooled, recently
boiled distilled water, add 1 ml of 0.01N hydrochloric acid solution and two drops of methyl
orange indicator. Viewed downward over a white surface, the liquid in tube A showing a deeper
shade of red than in tube B will indicate failure of this test.
5.
PACKAGING
5.1
General. For acquisition purposes, the packaging requirements shall be as specified in the
contract or order (see 6.2). When actual packaging of materiel is to be performed by DoD
personnel, these personnel need to contact the responsible packaging activity to ascertain requisite
packaging requirements. Packaging requirements are maintained by the Inventory Control Point
packaging activity within the Military Department or Defense Agency, or within the Military
Department's System Command. Packaging data retrieval is available from the managing Military
Department or Defense Agency 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 which may be helpful, but is
not mandatory)
6.1
Intended use. The carbon dioxide cylinder covered by this specification is intended to
provide a means of storing carbon dioxide to inflate a life preserver.
6.2
Acquisition requirements. Acquisition documents must specify the following:
a.
Title, number, and date of this specification.
b.
Issue of the DoDISS to be cited in the solicitation, and if required, the specific
issue of individual documents referenced (see 2.2).
c.
Packaging requirements (see 5.1).
d.
When a first article is required (see 3.2).
8
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