Nut Aro 1 Inch Type 666… series 5/16″-18 | Part Number Y12-5-C
ARO 1 Inch | PN. Y12-5-C | Aro Aftermarket Parts by Tangga Mas Onlines Store; first class aftermarket parts AODD in Jakarta, Indonesia.
We also provide others first class replacement parts with original quality that fit to Graco®, Yamada®, and Wilden® Air Operated Diaphragm pumps.