Analytical Columns
... Chromatography Specialists
We offer the full range of Parker A-Lok® fittings for GC and HPLC. Please call if you do not see the size you require. Please note; when ordering A-Lok® fittings, end the part number with one of the following letters: B for brass or SS for stainless steel. ( For example a 1/4" OD tube union in stainless steel is part number 4SC4-SS).
| Description | Part No. | ||
| Nut | 1/16" | 1NU1 | 2NU2 |
| 1/8" | 2NU2 | ||
| 1/4" | 4NU4 | ||
| Front Ferrule | 1/16" | 1FF1 | |
| 1/8" | 2FF2 | ||
| 1/4" | 4FF4 | ||
| Back Ferrule | 1/16" | 1BF1 | |
| 1/8" | 2BF2 | ||
| 1/4" | 4BF4 | ||
| Cap | 1/16" | 1BLEN1 | |
| 1/8" | 2BLEN2 | ||
| 1/4" | 4BLEN4 | ||
| Plug | 1/16" | 1BLP1 | 2BLP2 |
| 1/8" | 2BLP2 | ||
| 1/4" | 4BLP4 | ||
| Unions | 1/16" to 1/16" | 1SC1 | |
| 1/8" to 1/8" | 2SC2 | ||
| 1/4" to 1/4" | 4SC4 | ||
| Bored Through Union | 1/16" to 1/16" | 1SC1-BT | |
| 1/8" to 1/8" | 2SC2-BT | ||
| 1/4" to 1/4" | 4SC4-BT | ||
| Low Dead Volume Union | 1/16" to 1/16" | 1-1Z7HLZ7 | |
| 1/8" to 1/16" | 2-1Z7HLZ7 | ||
| Reducing Unions | 1/16" to 1/8" | 2RU1 | |
| 1/16" to 1/4" | 4RU1 | ||
| 1/8"to 1/4" | 4RU2 | ||
| Union Tees | 1/16" x 1/16" x 1/16" | 1ET1 | 2ET2 |
| 1/8" x 1/8" x 1/8" | 2ET2 | ||
| 1/4" x 1/4" x 1/4" | 4ET4 | ||
| Male Connector | 1/16" to 1/16" NPT | 1MSC1N | 4MSC4N |
| 1/8" to 1/8" NPT | 2MSC2N | ||
| 1/4" to 1/4" NPT | 4MSC4N | ||
| 1/16" to 1/8" NPT | 1MSC2N | ||
| 1/8" to 1/16" NPT | 2MSC1N | ||
| 1/4" to 1/8" NPT | 4MSC2N | ||
| 1/8" to 1/4" NPT | 2MSC4N | ||
| Female Connector | 1/8" to 1/8" NPT | 2FSC2N | 2FSC4N
|
| 1/8" to 1/4" NPT | 2FSC4N | ||
| 1/4" to 1/8" NPT | 4FSC2N | ||
| 1/4" to 1/4" NPT | 4FSC4N | ||
| Reducers | 1/16" to 1/8" tube | 2TUR1 | 2TUR4 |
| 1/8" to 1/4" tube | 4TUR2 | ||
| 1/4" to 1/8" tube | 2TUR4 |