Original Production
| BuNo Batches | CN | Type |
| 157992/157999 | 3001/3008 | Lockheed YS-3A Viking |
| 158859/158860 | Lockheed S-3A Viking - Order Cancelled | |
| 158861/158873 | 3009/3021 | Lockheed S-3A Viking |
| 159386/159420 | 3022/3056 | Lockheed S-3A Viking |
| 159728/159772 | 3057/3101 | Lockheed S-3A Viking |
| 160120/160164 | 3102/3146 | Lockheed S-3A Viking |
| 160567/160607 | 3147/3187 | Lockheed S-3A Viking |
Lockheed S-3B Viking
122 S-3A were converted to S-3B.
| BuNo Batches |
|
158861, 158863/867, 158870/158873
159387/159390, 159392, 159399, 159402, 159407, 159409, 159413, 159416
159729, 159731/159734, 159737, 159740/159748, 159750/159751, 159753, 159755/159756, 159758, 159760/159771
160121/160136, 160138/160145, 160147/160149, 160151/160153, 160155/160163
160567, 160569, 160571/160584, 160588/160589, 160591/160592, 160596, 160599/160607 |
Lockheed KS-3A Viking
One YS-3A was converted to KS-3A (Tanker version), this one was then converted to US-3A
Lockheed US-3A Viking
Six YS-3A were converted to US-3A (COD version);
| BuNo | CN |
| 157994 | 3003 |
| 157995 | 3004 |
| 157996 | 3005 |
| 157997 | 3006 |
| 157998 | 3007 |
| 158868 | 3016 |
Lockheed ES-3A Shadow
16 S-3A were converted to ES-3A Shadow;
| BuNo | CN |
| 158862 | 3010 |
| 159391 | 3027 |
| 159393 | 3029 |
| 159394 | 3030 |
| 159397 | 3033 |
| 159400 | 3036 |
| 159401 | 3037 |
| 159403 | 3039 |
| 159404 | 3040 |
| 159405 | 3041 |
| 159414 | 3050 |
| 159415 | 3051 |
| 159419 | 3055 |
| 159420 | 3056 |
| 1597381 | 3067 |
| 159752 | 3081 |
1159738 retired to NAS Pensacola as an instructional airframe.