Buy fittings online such as Female Pipe NPT Connectors as well as other stainless compression tube fittings provided by Stainless Steel Fittings.
Fittings FITOK 6D Series Tube Fittings
Kurt J. Lesker Company KF (QF) HV to Quick-Connect Couplings
Best Stainless Steel Hex Coupling Tube Fitting NPT Thread
1/8 MNPT x 1/8 BSPP Female - Stainless Steel Adapter
Conflat Flange (CF) Tee, CF 3-3/8 inches Stainless Steel Fittings
Ideal Spectroscopy Swagelok SS-200-8-4 Tube Fitting, 90° NPT
Stainless Steel 1/2 NPT Pipe Compression Fitting 3/8 & 1/2 Tube
Pfeiffer Vacuum Online Shop
Dual Ferrule Instrumentation Tube Fittings
1/4 BSPT Stainless Steel Compression Fitting
Z 513917 TB.FITT.ST GAI 8-L G 1/4 CF
NPT Thread Compression Fittings Male Elbow Tube Fitting Stainless
Accessories - Compression Fitting