Used on boat; target 5. 2a 1st end thread class 18 1st end thread quantity per inch do not dupe to parker hannifin p/n; differentiated by second end leg length npt 2nd end thread series
Used on 1730-01-272-4402. 2a 2nd end thread class 12 2nd end thread quantity per inch 3/4 npt inlet on pipe end passivate surface treated nptf 1st end thread series