Repair Parts and Special Tools List.
Appendix B is divided into
four sections. It lists, authorizes, and illustrates the parts of
maintenance, and level of disposal when an item is no longer
serviceable; lists and illustrates special tools; contains a
National Stock Number (NSN) index and a part number index.
Sections II and III of appendix B give you a wealth of information
about each part condensed into a six-column format, as shown below.
The second column, SMR code, is the Source, Maintenance, and
Recoverability code of each item. This is a five-digit code that
authorization criteria, and disposition instruction, as shown in
the following breakout (figure 1-3).
Breakout of SMR Code.
Clearly, the SMR code is a valuable reference tool. For example,
to learn how to dispose of unserviceable items, you would look at
the fifth position, while you would