Pneumatic fittings Push-in fittings (nickel-plated) Pneumatics fittings in nickel-plated brass. Straight, T-connectors, reducers etc. Fitting, straight OTRC-R Straight fitting, with external hexagon and BSPT-thread. Nickel plated. Fitting, straight OTRC-G Male connector with internal haxagonal. BSPP & metric threadMaterial: Nickel plated. Fitting, straight bulkhead ORTMM Straight bulkhead connector.Material: Nickel plated. Fitting, OTRL-G Swivel male elbow. BSPP & metric thread.Material: Nickel plated. Fitting, t-conn. OTRT-G Swivel male tee. BSPP & metric thread.Material: Nickel plated. Fitting, OTRUC Straight union connector.Metric tube.Material: Nickel plated. Fitting, elbow conn. OTRUL Union elbow. Metric tube.Material: Nickel plated. Fitting, t-conn. OTRUT Union tee.Metric tube.Material: Nickel plated. Fitting, reducer OTRGJ Stem reduction.Metric tube.Material: Nickel plated.