Nord-Lock washers are available in the following material and sizes:
Steel washers with zinc flake coating Delta Protekt® (zinc-flake coating), NL3 – NL42 (standard sizes) and NL45 – NL130 (upon request).
Stainless steel (EN 1.4404 / AISI 316L) washers, NL3ss – NL42ss (standard sizes) and NL45ss – NL80ss (upon request).
254 SMO® washers* are available in NL3-254 – NL39-254 (standard sizes).
Other stainless steel alloys available are INCONEL® / HASTELLOY® C276 and INCONEL® 718. Available upon request.