Fabricated Compact Designed Mechanical Shaft Seal ensures that parts are interchangeable including rotary carbon seal ring spring and stationery mating rings. The Mechanical Shaft Seal ensures that rotation of direction is independent drive with set screws that are balanced seals hence step is required on shaft or shaft sleeve secondary seal. The Mechanical Shaft Seal is free from step on shaft or shaft sleeves secondary seals. Fabricated Compact Designed Mechanical Shaft Seal is available in application specific design and accurate in dimension.