N.P.T. Hexagon Union
• Larger sizes available
| NPT Size | Part No. | A | A/F Hex |
| 1/4" NPT | 4N HU | 1.687" | 1.250" |
| 3/8" NPT | 6N HU | 1.875' | 1.500" |
| 1/2" NPT | 8N HU | 2.000" | 1.750" |
| 3/4" NPT | 12N HU | 2.250" | 2.000" |
| 1" NPT | 16N HU | 2.500" | 2.375" |
| 1-1/4" NPT | 20N HU | 2.750" | 2.750" |
| 1-1/2" NPT | 24N HU | 3.125' | 3.000" |
| 2" NPT | 32N HU | 3.500" | 3.750" |