3b thread class left-hand 1.7780" overall length 0.1895" bore diameter 24 thread quantity per inch cadmium rod end body surface treated ball type unjf thread series
Used on m119a1 howitzer. 0.5500" overall length internal dia 0.550 in at flange end; 3 holes 0.218 in dia countersunk to 0.390 in dia spaced equally 22c solid, external flange one end