SM&R Codes
SM&R Codes SM&R Code is a six-position code used to identify the source of SE end items and the lowest levels of maintenance activities authorized.
Source, Maintenance and Recoverability (SM&R) codes are used by all Services and for the Navy, explained in OPNAVINST 4410.2A (Joint Regulation Governing the Use and Application of Uniform Source, Maintenance and Recoverability Codes and in the COSAL Use and Maintenance Manual (see NAVICPMECHINST 4441.170(series).