Known Neptunes of NATC as of November 23, 2002,
| BuNo | Code | earlydate | latedate |
|---|---|---|---|
| 48238 | NATC-238 | ||
| 122466 | NATC | ||
| 124211 | 10 Aug 50 | Feb 52 | |
| 124211 | 4 Feb 53 | May 53 | |
| 124211 | 23 Oct 53 | 12 Jun 56 | |
| 124212 | NATC | 7 Nov 52 | 24 Mar 54 |
| 124213 | NATC | 7 Feb 50 | 31 May 52 |
| 124214 | NATC | 3 Mar 50 | 28 Feb 51 |
| 124231 | 26 May 54 | 9 Sep 55 | |
| 124268 | 268 | Jun 50 | |
| 124270 | NA | ||
| 124881 | NATC-881 | ||
| 124881 | NATC | ||
| 124881 | NATC | Sep 52 | |
| 126521 | NATC-521 | ||
| 128362 | NATC-S | Mar 66 | |
| 128362 | NATC | 7 Mar 66 | 14 Jun 76 |
| 131456 | |||
| 131509 | NATC-W | Jul 63 | 15 Aug 64 |
| 131509 | W | 73 | |
| 131510 | NATC | 14 May 71 | 74 |
| 135546 | Dec 54 | Aug 55 | |
| 135547 | NATC-547 | ||
| 135547 | Sep 54 | Jan 55 | |
| 135548 | Feb 55 | Sep 55 | |
| 135549 | Dec 54 | May 55 | |
| 135550 | Dec 54 | Jul 55 | |
| 135551 | Jan 56 | Feb 56 | |
| 135552 | Jan 55 | Oct 55 | |
| 135552 | Sep 56 | Dec 56 | |
| 135564 | Dec 54 | Jun 55 | |
| 135564 | W | 9 Dec 54 | 2 Jun 55 |
| 135564 | Sep 55 | Aug 57 | |
| 135564 | Apr 67 | Sep 73 | |
| 135564 | Apr 68 | ||
| 135582 | Mar 66 | Jan 69 | |
| 135620 | Sep 67 | Oct 67 | |
| 135620 | Nov 67 | Mar 68 | |
| 140969 | W | ||
| 140969 | Aug 61 | Oct 63 | |
| 145902 | Jan 67 | Jun 67 | |
| 145902 | Jun 68 | Oct 68 | |
| 145902 | Jun 69 | Nov 70 | |
| 145909 | Aug 68 | Oct 68 | |
| 148337 | Nov 67 | Jun 68 | |
| 148353 | Oct 67 | Jun 68 | |
| 148353 | Oct 68 | Jan 69 | |
| 148361 | Dec 71 | Mar 72 | |
| 150283 | May 67 | May 72 | |
| 150283 | W | Mar 72 | 28 Oct 75 |
| 150283 | Sep 72 | Aug 75 |