La Pavoni Lever Piston Shaft Lock Nut (Chrome) Part No. 3135014
Used as standard on the La Pavoni Stradivari Lusso STL and STH and the Stradivari Professional SPL and SPH. The La Pavoni Europiccola EN, EL and ELH. The La Pavoni Professional PN, PL and PLH. The La Pavoni Romantica GRL and Stradivari Gran Romantica SGR.
Also use with the Gaggia Factory G105 and G106