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 CLUTCH PISTON FOLLOWER RING P/N CLT-5 AJAX INCHING FEED SLIDE P/N DB-8-A AJAX CLAMP BAR FRONT P/N CE-50CD51F AJAX CLUTCH PINION: ROUGH BORE W/O KEYWAYS P/N CLR-5029.1