RR-C-901 Cylinders, Compressed Gas: Seamless Shatterproof, High Pressure Dot 3Aa Steel, And 3Al AluminumThis specification provides the acquisition requirements for the purchase of empty compressed gas cylinders to be used for storage, transportation and distribution of high pressure liquefied and gaseous industrial and medical compressed gases including air, argon, carbon dioxide, helium, hydrogen, nitrogen, oxygen, sulfur-hexafluoride, and other gases.

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RR-C-901E

6.8  International standardization agreements.  Certain provisions of this specification (see 3.6.1,

3.6.2, and 3.6.3) are the subject of international standardization agreements STANAG 2121, "Cross-Servicing of Medical Gas Cylinders", and STANAG 7146, "Assignment of NATO Code Numbers to Gases Used in Aircraft Cross-Servicing".  When amendment, revision, or cancellation of this specification is proposed that will modify the international agreement concerned, the preparing activity will take appropriate action through international standardization channels, including departmental standardization offices, to change the agreement or make other appropriate accommodations.

6.9  Changes from previous issue.  Asterisks are not used in this revision to identify changes with respect to the previous issue due to the extensive changes.

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