La Pavoni Lever Brass Boiler Washer code 313003 has the dimensions: 17 x 12 x 1 mm.
OEM Part No. 313003.
La Pavoni Lever Brass Boiler Washer code 313003 is generaly found near the boiler.
The part is no. 65 on the attached pic from gallery, which is the Pavoni diagram.
Used as standard on:
1. Stradivari Lusso STL / STH
2. Stradivari Professional SPL / SPH
3. Europiccola EN, EL, ELH / ERG
4. Professional PN, PL, PLH, PRG / PDH
5. Romantica GRL
6. Stradivari Gran Romantica SGR
7. Gaggia Factory G105 / G106