MIL-PRF-27401G
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 nitrogen covered by this specification is intended as a purging and
pressurizing medium for rocket propellant systems, space vehicles and support equipment and for
preparing oxygen-nitrogen mixtures for breathing purposes on board space vehicles (see 1.2.2).
6.2 Acquisition requirements. Acquisition documents should specify the following:
a. Title, number, and date of this specification.
b. Type and grade of nitrogen required (see 1.2).
c. If required, the specific issue of individual documents referenced (see 2.2.1).
d. When other limits or tests are required (see 3.1).
e. When testing for argon, carbon dioxide, or carbon monoxide is required (see Table I, Note e).
f. When the particulate test is not required (see Table I, Note f).
g. When a variation in the points of inspection is required (see 4.1).
h. When a variation of the quality conformance tests to be performed on a sample is required (see
4.2.4).
i. When a variation to the sampling method is required (see 4.2.4.1).
j. When a variation to the continuous service option is required (see 4.2.6.1).
k. When a variation to the sampling plan for pipelines is required (see 4.2.7).
l. When an alarm system to warn of contaminants in pipelines is required (see 4.2.7.2.b).
m. When a variation of the analytical procedures is required (see 4.4).
n. Cylinder size, capacity, and fill pressure (as determined by cylinder size and capacity).
o. Packaging requirements (see 5.1).
p. When color coding of pipeline is required (see 4.5.3.2).
6.3 Direct nitrogen method. When required, one of the following methods should be used to
determine the nitrogen content directly. (1) A gas chromatography method which uses a 5Å molecular
sieve column and measures the peak height versus retention time. (2) The mass spectrometric method
which measures nitrogen at an atomic mass unit (amu) of 28. Carbon monoxide also has an amu of 28
but it can be determined by other methods, and corrected for in the nitrogen value.
6.4 Packaging requirements. Guidance for cylinders may be found in the following documents:
a. RR-C-901
Cylinders, Compressed Gas: Seamless Shatterproof, High
Pressure DOT 3AA Steel, and 3AL Aluminum
b. 49 CFR 171 199
Code of Federal Regulations
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