NSN 7R-1680-016098959-P8, REF NR 183553-004, QTY 24 EA, DELIVERY FOB ORIGIN. The data needed to acquire/repair this part competitively is not physically available, it cannot be obtained economically, ... NSN 7R-1680-016098959-P8, REF NR 183553-004, QTY 24 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.