Flange Nut, 1.625-16 UN in. Thread
The Enerpac FN421 is a 1.625-16 UN in. thread cylindrical flange nut. Cylindrical flange nuts are used for mounting threaded body cylinders in any position. Enerpac FN421 is compatible with Enerpac CST, PL, PU, RWH Series and Enerpac CST27151, CST27251, CST27501 models.