It provides precise hole alignment for a drop-in fit

What does the "FT" class rating signify

The Littelfuse FLSR 5 is a high-performance Class RK5 fuse engineered for industrial HVACR applications requiring superior overcurrent protection

horizontal or vertical

please refer to the AM-731 linkage kit

Browning 1VP62X 1 3/8 Sheave Refrigerant It provides precise hole alignmentThe Browning 1VP62X 1 3 8 is a heavy duty, single groove variable pitch sheave engineered for precise air handling and blower speed adjustments. Constructed from high grade cast iron, this 1 3 8" finished bore pulley features a 5. 95" outside diameter (OD) and provides a versatile pitch range of 4. 4" to 5. 9". Designed for industrial drive systems, it allows technicians to fine tune fan speed and motor load without replacing the entire drive