LR 5000.40 Shaft receptacle Shaft receptacle to accommodate the S 25 KV and S 25 KD-LR Dispersing tools. For use in the LR-5.ST laboratory reactor. The receptacle is screwed into the reactor cover of the LR-5.ST instead of an NS 29/32 adapter via the M 36/1.5 thread. Materials in contact with medium: AISI 316 L, FFKM.