Specifications include, but are not limited to: MECHANICAL SEALS 1) Mechanical seals of various type and design a. Both Imperial and Metric sizes b. Types including single and double mechanical seals., c. Mechanical seals for various applications and speeds, various seal face materials including tungsten carbide, silicone carbide, carbon and ceramic. 2) Mechanical seal manufacturers d. Include John Crane, Chesterton, Pac-Seal, Burgmann and others COUPLINGS 1) Couplings of various type and design a. Both Imperial and Metric sizes b. Types include flexible and rigid c. Couplings for various applications, shaft sizes and speeds 2) Coupling manufacturers a. Include Lovejoy, Morse, Falk, Dodge, Rexnord, Martin and others BELTS AND SHEAVES 1) Belts and sheaves of various sizes and types a. Belts and sheaves for various speeds and load ratings 2) Belts and Sheave manufacturers a. Include Regal Rexnord, Martin, Browning, Gates, Continental, Woods, Link Belt, Dodge and others