MEC 1-3/4 in. M.Acme x 3/4 in. MPT Adapter Asssembly

1-3/4 in. M.Acme x 3/4 in. MNPT Brass ACME Adapter. The part from Marshall Excelsior is an ACME adapter. One end of the adapter is a male 1 Male ACME which is the same type of connection you find on a fill valve and the other end of the fitting is 3/4 in. MNPT (male pipe thread).|Male Acme connection: 1-3/4 in.|Male NPT connection: 3/4 in. MNPT|Brass male Acme x MNPT adapter|Part# ME215|UL listed|No screen