Special Notice DEPT OF DEFENSE is procuring a LINER, COMBUSTION CH for aircraft engines. This item, with NSN 2840-01-461-3767NZ, is used in the combustion chamber of aircraft engines to enhance fuel combustion efficiency. The procurement is being handled by DLA AVIATION OKLAHOMA CITY. The notice provides additional details such as the top drawing number, EDL revision and date, MDC code, and the name of the primary contact.