elasto Special-Ring-Mount elasto-Special-Ring-Mounts are used for the protection of lightweight and low frequency equipment against active or passive vibrations and structure-borne noise. The unique design of the elasto-Special-Ring-Mount allows it to be used for shear and compression loads. Part No. Size Max Load (N) Spring Rate (N/mm) (D) (H) (B) (b) mm mm mm mm (G) (L) mm XX1211 14 40 11 14 17.5 12.7 6.4 M4 10 NR 57 XX1217 25 31 15.5 25.4 30 19.1 11.1 M5 14 NR 57 XX1143 35 45 45 34.9 38.1 25.4 15.9 M6 15 NR 57