Axial Fan Impeller

Features

Specifications

• Diameter:
  Between 17.950 inches and 18.050 inches
• Blade Quantity:
  4
• Attachment Method:
  Keyway and setscrew
• Rotation Direction For Which Designed:
  Clockwise
• Hub Location:
  Front
• Style Designator:
  Rounded tip
• Federal Supply Class (fsc):
  Fans, air circulators, and blower equipment
• National Stock Number (nsn):
  4140-00-618-4980
• Special Features:
  U0.188 in. By 0.094 in. Keyway, two 0.312-24 by 0.500 in. Stainless steel socket set screws, cadmium plated steel spider and hub; bore diameter: 0.625 mim and 0.626 in. Max; hub length: 1.120 in.; surface treatment: iridium