| N-10UB | 5/8-inch stainless steel union, bored out, with nuts and ferrules |
| N-10US | 5/8-inch stainless steel union, bored straight through, with nuts and ferrules
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| N-10UBT | 5/8-inch stainless steel union, bored out, PTFE-coated, no nuts or ferrules |
| N-10UST | 5/8-inch stainless steel union, bored straight through, PFA/PTFE-coated, no nuts or ferrules |
| N-10USIB | 5/8-inch Silco-treated stainless steel bored union, with nuts and ferrules |
| NI-10UB | 5/8-inch alloy 600 tube union, bored out, with nuts and ferrules |
| NI-10US | 5/8-inch alloy 600 tube union, bored straight through, with nuts and ferrules |
| NTG-10UNN | 5/8-inch glass-filled PTFE union body, no nuts or ferrules |
| NTG-10U | 5/8-inch glass-filled PFA/PTFE union complete with nuts and ferrules |
