SKMU MS (brass locknut), Locknut, M 20, 3 mm, Brass, nickel-plated

KSWN (flat gasket - nylon), Sealing ring, M 20, Nylon 6

EA (earthing rings), Earthing ring, Miscellaneous, M 20, Brass, nickel-plated

SZS (serrated washer), Retaining toothed washers, M 20, Stainless steel 1.4404 (316L)