MIL-PRF-27415C
6.2 Acquisition requirements. Acquisition documents must specify the following:
a.
Title, number, and date of this specification.
b.
Type and grade of argon 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 a variation in the points of inspection is required (see 4.1).
f.
When a variation of the quality conformance tests to be performed on a sample is required
(see 4.2.4).
g.
When a variation to the sampling method is required (see 4.2.4.1).
h.
When a variation of the analytical procedures is required (see 4.4).
i.
Cylinder size, Capacity, and fill pressure (as determined by cylinder size and capacity)
j.
Packaging requirements (see 5.1).
6.3 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
6.4 Field use limits. The requirements established by this specification are applicable for
procurement purposes only and are valid solely as utilized by vendor and the procuring activity. They are
not intended for each application.
6.5 Particulate contamination. Long term storage of filled argon containers may allow particulate
contaminants to accumulate. For this reason, the installation of in-line filters between the containers and
system (if applicable) is recommended prior to use. Filters with a rating of five micrometer nominal and
25 micrometer absolute rating or better for Type I (gaseous) and with a 10 micrometer nominal and 40
micrometer absolute rating or better for Type II (liquid) are suggested.
6.6 Subject term (key word) listing.
Aerospace
Cylinders
Missile checkout
Welding gas
Inerting agent
6.7 International standardization agreement implementation. This specification serves as the
implementing document for STANAG 7127 GGS. MIL-PRF-27415, Grade A, argon, meets the
requirements of the argon specified in STANAG 7127. When the amendment, revision, or cancellation of
this specification is proposed, the preparing activity must coordinate the action with the U.S. National
Point of Contact for the international standardization agreement, as identified in the ASSIST database at
6.9 Changes from previous issue. Marginal notations are not used in this revision to identify
changes with respect to the previous issue due to the extent of the changes.
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