NATO Sea Sparrow Surface Missile System is buying evaluate and repair services for Circuit Card Assembly (CCA) P/N: 64C1-K2K2K2K2K2J70AC-70, NSN 5998-01-568-2749. This CCA is located in the Guided Mis... NATO Sea Sparrow Surface Missile System is buying evaluate and repair services for Circuit Card Assembly (CCA) P/N: 64C1-K2K2K2K2K2J70AC-70, NSN 5998-01-568-2749. This CCA is located in the Guided Missile Launching System (GMLS) MK 29 MOD 4-6, System Launcher Controller (SLC) MK 34 MOD 1-3 which is a part of MK 57 NATO Sea Sparrow Surface Missile System (NSSMS). These cards are required for fleet support.