AJAX PISTON SEAL RING FOR 20″ DIA. P/N NP-5779-A AJAX PISTON SEAL RING FOR 20″ DIA. Size (Contact for details) SKU: NP-5779-A Category: AJAX Press and Machine Parts Tags: AJAX Press and Machine Parts, Press and Machine Description Description AJAX PISTON SEAL RING FOR 20″ DIA. P/N NP-5779-A Related products AJAX PITMAN WRIST PIN P/N TP-5142 Read more AJAX CLAMP CYLINDER PISTON – ASSEMBLED P/N CE-60CD444 Read more AJAX CRANK SHAFT SLEEVE BUSHING RH P/N RP-176-A.RH.1 Read more AJAX CYLINDRICAL ROLLER BEARING P/N BRG-060-005 Read more