NSN 7R-7021-014817734-LU, REF NR 30190-0203, QTY 2 EA, DELIVERY FOB ORIGIN. The rights to use the data needed to purchase/repair this part from additional source(s) are not owned by the Government and... NSN 7R-7021-014817734-LU, REF NR 30190-0203, QTY 2 EA, DELIVERY FOB ORIGIN. The rights to use the data needed to purchase/repair this part from additional source(s) are not owned by the Government and cannot be purchased, developed, or otherwise obtained. It is uneconomical to reverse engineer this part.