Downloaded from https://www.everyspec.com MIL---STD---101C TABLE II. Classification of materials in piping systems ---Continued 12 Kerosene Yellow --------- Krypton Gray --------- Lacquer Yellow --------- Manufactured gas (coal, oil pintsch, producer, water, and N.O.S) Yellow Brown Mercaptans (thioalcohols, N.O.S.) Yellow --------- Mercury compounds (solutions), N.O.S.
Brown --------- Methane Yellow --------- Methylamine Yellow Brown Methyl acetate Yellow --------- Methyl acetone Yellow --------- Methyl acetylene propadiene mix- ture (MAPP) Yellow --------- Methyl amyl acetate Yellow --------- Methyl amyl ketone Yellow --------- Methyl bromide brown --------- Methyl bromide, fire Red Brown Methyl chloride Yellow Brown Methyl cyanide (acetonitrile) Brown Yellow Methyl formate Yellow Blue Methyl hydrazine Brown Yellow Methyl mercaptan Yellow Brown Methyl sulfide Yellow Brown Methylene chloride Blue Gray Natural gas, fortified, N.O.S.
Yellow Brown Neon Gray --------- Material Primary color warning Secondary color warning Nickel carbonyl Brown Yellow Nicotine compounds Brown --------- Nitrating acid (mixed acid) Blue Green