Fittings for tube connections are made of aluminum alloy, titanium steel, corrosion-resistant steel, brass, and bronze. Fittings are made in many configurations and styles. The usual classifications are flared-tube fittings, flareless-tube fittings, brazed, welded, and swaged fittings (figs. 6-1 through 6-4). Refer to table 6-3, for identification of fittings.

Table 6-3.AN/MS Tube Fitting Color Codes

Figure 6-1.Typical styles of MS fittings.



Figure 6-2.Typical styles of AN fittings.



Figure 6-3.Typical style of Permaswage fittings.

Figure 6-4.Typical style of Dynatube fittings.




Figure 6-5.Standard tube cutter.