Conn Sousaphone, Valve Stem, Nickel, with Retaining Ring

Conn sousaphones 20K & 22K & tubas 20J, 21J, 24J, & 25J, nickel piston valve stem with retainer ring.  Contact me if you wish to verify your model's fit or you need other parts.

Valve Stem OEM Conn SU30039NP.