Usage for hash tag: 4654N23

...worried about the accuracy. Shouldn’t be off more than + - 5 GPH. According to my Computer, the PDF isn’t readable. I’ve been adding this to the Chart. McMaster-Carr PVC to BSPT Adapters; 1” Socket X 1” BSPT #4654N23 1-1/4” Socket X 1-1/4” BSPT #4654N24 1-1/2” Socket X 1-1/2” BSPT #4654N25