This standard provides the following: a. definition of terms pertaining to marking; b. symbols for marking location; c requirements and restrictions for permanent markings; d. types of marking methods; e. rules for designating marking methods; and f. table listing marking methods.
To define and control marking methods, and to provide a method for specifying desired marking methods on aerospace engineering drawings of parts and assemblies.
Standard revised to replace cancelled military specification TT-L-50.
To define and control marking methods, and to provide a method for specifying desired marking methods on aerospace engineering drawings of parts and assemblies.
Standard revised to replace cancelled military specification TT-L-50.
SAE AS478N History
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