27-21USRC/S259/TR8 27-21UWD/E 27-21UWD/S249/TR8(SM) 27-21UWD/S338 27-21UWD/S338/TR8 27-21UWD/S360/TR8 27-21UWD/S462/TR8 27-21UYC 27-21UYC/S493/TR8 27-21UYC/S498/TR8