A Y McDonald co. AY 5131-481 74620KIT 2X2 MTR CPLG W/ (with)BUSH(2) FNPT (Female National Pipe Thread) xMNPT (Male National Pipe Thread) -NL AY 5131-48174620KIT 2X2 MTR CPLG W/BUSH(2) FNPT (Female National Pipe Thread) xMNPT (Male National Pipe Thread) -NL