MS interface connections Recommended Traditional Alternate Nut 5190-5233 Column Nut, Self Tightening MSD Nut 05988-20066 Column Nut for MS interface Nut G2855-20555 Swaging nut,Ultimate Union and QuickSwap Ferrule 5181-3323 5062-3514 Ferrule, 0.4mm VG 0.1-0.25 col 10/PK Ferrule, 0.5mm VG 0.32 col 10/PK Ferrule 5062-3508 5062-3506 Ferrule, 0.4mm VG cond .25 col lng 10/PK Ferrule, 0.5mm VG cond .32 col lng 10/PK Ferrule G3188-27501 G3188-27502 Ferrule, flexi inert 0.25mm col 10/PK Ferrule, flexi, inert 0.32mm col 10/PK Tools: G1099-20030 G3880-20030 Column Installation tool for 5973/5975 5975T Column Insertion Tool Tools G1099-20030 G3880-20030 Column Installation tool for 5973/5975 5975T Column Insertion Tool Tools G2855-60200 Ferrule Pre-Swage Tool,Capillary Flow Inlet connections Recommended Traditional Inert Flow Path Nut 5190-6194 Column nut,Self Tightening Inlet/Detect Nut 5181-8830 Universal column nut, 2 pk Nut 05921-21170 Column nut for long ferrule Ferrule 5181-3323 5062-3514 Ferrule, 0.4mm VG 0.1-0.25 col 10/PK Ferrule, 0.5mm VG 0.32 col 10/PK Ferrule 5181-3323 5062-3514 Ferrule, 0.4mm VG 0.1-0.25 col 10/PK Ferrule, 0.5mm VG 0.32 col 10/PK Ferrule G3188-27501 G3188-27502 Ferrule, flexi inert  0.25mm col 10/PK Ferrule, flexi, inert  0.32mm col 10/PK Tools: G3440-80217 Column install pre-swaging tool, graphite ferrules Tools G3440-80217 Column install pre-swaging tool, graphite ferrules Tools G3440-80218 Column install pre-swaging tool, metal ferrules