Union
NL tube ferrule fittings are interchangeable and intermixable drop-in replacements for more expensive competitor brands, Swagelok® & Parker A-Lok® and Parker CPI™
| INTERCHANGES WITH | |||||||
| 1-DU | 1-SU | 100-6 | 1 SC 1 | 1-1 HBZ | 1U | 762-F 1/16 | DUA 1 |
| 2-DU | 2-SU | 200-6 | 2 SC 2 | 2-2 HBZ | 2U | 762-F 1/8 | DUA 2 |
| 3-DU | 3-SU | 300-6 | 3 SC 3 | 3-3 HBZ | 3U | 762-F 3/16 | DUA 3 |
| 4-DU | 4-SU | 400-6 | 4 SC 4 | 4-4 HBZ | 4U | 762-F 1/4 | DUA 4 |
| 5-DU | 5-SU | 500-6 | 5 SC 5 | 5-5 HBZ | NA | 762-F 5/16 | DUA 5 |
| 6-DU | 6-SU | 600-6 | 6SC6 | 6-6 HBZ | 6U | 762-F 3/8 | DUA 6 |
| 8-DU | 8-SU | 810-6 | 8SC8 | 8-8 HBZ | 8U | 762-F 1/2 | DUA 8 |
| 10-DU | 10-SU | 1010-6 | 10SC10 | 10-10 HBZ | 10U | 762-F 5/8 | DUA 10 |
| 12-DU | 12-SU | 1210-6 | 12SC12 | 12-12 HBZ | 12U | 762-F 3/4 | DUA 12 |
| 14-DU | 14-SU | 1410-6 | 14SC14 | 14-14 HBZ | 14U | 762-F 7/8 | DUA 14 |
| 16-DU | 16-SU | 1610-6 | 16SC16 | 16-16 HBZ | 16U | 762-F 1 | DUA 16 |
| NA | NA | 2000-6 | 20SC20 | 20-20 HBZ | NA | NA | NA |
| NA | NA | 2400-6 | 24SC24 | 24-24 HBZ | NA | NA | NA |
| NA | NA | 3200-6 | 32SC32 | 32-32 HBZ | NA | NA | NA |