Stanley G. Flagg part numbers starting 122
| 1221-100 | Tee, black pipe, threaded, 1/2 in (sand system piping) | Stanley G. Flagg | ||
| 1221-140 | Tee, pipe, 3/4 in (control stand piping) | Stanley G. Flagg | ||
| 1221-150 | Tee, pipe, 3/4 in (brake cylinder piping) | Stanley G. Flagg | ||
| 1221-200 | Tee, pipe, 1 in (brake compartment piping) | Stanley G. Flagg | ||
| 1221-400 | Tee, black pipe, 300 PSI, 2 in (main air piping) | Stanley G. Flagg |