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

markings.  The statement, "CAUTION:  Federal Law Prohibits Dispensing Without Prescription." shall appear on the tag, if it does not appear on the cylinder.  In addition, tags for nitrous oxide cylinders shall bear the markings for total gross weight of the cylinder, tare weight, and net weight (weight of nitrous oxide liquid).  These markings shall allow weights to be indicated in pounds and ounces.  The tags shall be furnished with a metal eyelet and stringing wire.  The wire shall be tinned, annealed, or galvanized, and be not less than 23 gauge.

Tag colors shall be as follows:

Background -  Same color as cylinders

Print             -  Black

OR Background -  White

Print             -  Same color as cylinders

The bottom of the tag shall be designed with a three-part legend marked on both sides with perforated lines between the legends for easy removal as follows:

"EMPTY" "IN USE" "FULL"

3.6.3.3.2  Marking for medical cylinders.  Medical cylinders shall be permanently marked.  The markings shall be in characters not less than 0.188 inch (4.775 mm) high for cylinders less than

6 inches in outside diameter and not less than 0.375 inch (9.525 mm) high for cylinders 6 inches or more in outside diameter as follows:

a.   The capacity in gallons shall be marked on the shoulder of each cylinder. (Capacities shall be at 15 °C (59 °F) and 760 mm Hg (29.9213 in. Hg).)

b.   To the right of the manufacturer's symbol, the letters "MED" shall be added either horizontally or vertically.

c.   Name of gas abbreviated as follows:

3.7  Treatment and painting.  The treatment and painting of cylinders shall be by any method or system that will provide a finish that meets the requirements of CGA TB-17.  The cylinders shall be color coded and stenciled in accordance with MIL-STD-101 for the dedicated gas for which the cylinder is designated.  When required, treatment and painting (finish) for aluminum cylinders shall be as specified in the acquisition order (see 6.2).

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