OS-4, 1984 Application Guide for Radial Lip Type Shaft Seals RMA OS-7, 1982 Storage and Handling Guide for Radial Lip Type Shaft Seals RMA OS-8, 1977 Visual Variations Guide for Rotating Shaft Seals DIN 3760 Radial-Wellendichtringe (Radial shaft seals) DIN 3761 Radial-Wellendichtringe für Kraftfahrzeuge (Motor Vehicles Radial shaft seals), Parts 1-15. This standard covers all aspects including vocabulary, material requirements and test methods. GOST 8752-79. CIS standard for rotary shaft seals. See also Stuffing box Gland seal References External links Description & schematic of a shaft seal Seal rings