Output Coupler ZnSe PRC (Partial Reflector) - Model #: OCCCCXZ-1124-30-10-65 Size: 1.10"Ø X .236" E.T. S1: 20m CC/65%R S2: 10m CX/AR Replaces: PRC® P/N: B8-933-062, 932548/M14-11-OC-1A, 6068284