Parts are typically marked with a part number and date code by stamping or screen-printing. Parts can also include cabe code and termination identifications per MIL-STD-130. For stamping, the standard character size is typically 0.060" to 0.130". For screen-printing, the character size is customer specified. Another option is to use a UL approved label, which offers the opportunity to use bar codes. A variety of label sizes are available.