| FITMEC Part No. | P1 NPT (M) | P2 NPT (M) | A | F (Hex) |
| 2N-FMRN | 1/8 | 1/8 | 1.01 | 0.19 |
| 4N-FMRN | 1/4 | 1/4 | 1.43 | 0.28 |
| 6N-FMRN | 3/8 | 3/8 | 1.43 | 0.38 |
| 8N-FMRN | 1/2 | 1/2 | 1.84 | 0.47 |
| 12N-FMRN | 3/4 | 3/4 | 1.84 | 0.62 |
| 16N-FMRN | 1 | 1 | 2.32 | 0.88 |
| 20N-FMRN | 1-1/4 | 1-1/4 | 2.36 | 1.10 |
| 24N-FMRN | 1-1/2 | 1-1/2 | 2.68 | 1.32 |
| 32N-FMRN | 2 | 2 | 2.76 | 1.76 |
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