NSN 7R-5985-016818892-RQ, REF NR 6007501503, QTY 5 EA, DELIVERY FOB ORIGIN. The data needed to acquire/repair this part competitively is not physically available, it cannot be obtained economically, n... NSN 7R-5985-016818892-RQ, REF NR 6007501503, QTY 5 EA, DELIVERY FOB ORIGIN. The data needed to acquire/repair this part competitively is not physically available, it cannot be obtained economically, nor is it possibleto draft adequate specifications or any other adequate, economical description of the material for a competitive solicitation.