MIL-PRF-272210G
4 APRIL 1997
MIL Spec for Oxygen ATTENTION!!!
Maxima for Gaseous Type I and Liquid Type II

Type I (Gaseous) BLUE=MIL and GREEN=CGA and Navy=CFC Brand

Limiting Characteristics MIL CFC B C D E F G
Oxygen Min. % (mole) 99.5 99.5 99.5 99.5 99.5 99.6 99.995 99.5
Water ppm 7 3 50 6.6 8 1.0 2
Dew Point (F) -82 -90 -54.5 -82 -80 -105 -97
Methane 50 25 50
Nitrogen 100
Ethylene 0.4 0.3 0.4
Acetylene 0.1 0.1 0.1
Carbon Dioxide 10 10 10 1.0 5
Carbon Monoxide 1.0
Total Hydrocarbons (as methane) 50 1.0 25
Ethane & Other Hydrocarbons 6 6 6
Nitrous Oxide 4 4 4 0.1 2
Halocarbons 2 2 2
Other 0.2 0.2 0.2
Solvents 0.2 0.2 0.2

Type II (Liquid)

Limiting Characteristics MIL CFC B C D G
Oxygen Min. % (mole) 99.5 99.5 99.5 99.5 99.5 99.5
Water ppm 7 <3 6.6 26.3 6.6 2
Dew Point (F) -82 -90 -63.5 -82 -97
Methane 25 16 25
Nitrogen 100
Ethylene 0.2 0.2 0.2
Acetylene 0.05 0.05 0.5 0.05
Carbon Dioxide 5 5 5 5
Carbon Monoxide
Total Hydrocarbons (as methane) 67.7 25
Ethane & Other Hydrocarbons 3 <3 3
Nitrous Oxide 2 2 2 2
Halocarbons 1 1 1
Other 0.1 0.1 0.1
Solvents 0.1 0.1 0.1

Note that this is only a chart and does not reflect the standards for filtration, analytical tolerance and other data. This is for quick reference only and you should review the entire document for other specifications relating to process and production.