Extended Description

• Description: Morse Key No. 61
• Replaces OEM: Masport: 503363
• Fits: Quantum engines with large shaft
• Features: 3/16" x 5/8"
• Standard Pack Quantity: 10
• Brand: GA
• Product Line: Key, keyway, woodruff, moon,

Copyright © Roy Gripske & Sons Pty. Ltd. 2013~2026. All Rights Reserved.

• Description:
• Non-Genuine
• Briggs & Stratton,
• Masport,
• Universal,
• Steel Woodruff Key No. 61 (3/16” x 5/8”)
  
  
• Features:
  Woodruff Key Identifying Numbers -
• • SAE Number: 61
• • U.S Standard No. 605
  
  

• Briggs & Stratton

• Fits: Briggs & Stratton selected Quantum engines fitted with larger diameter (25 mm) crankshafts.
  

• Masport

• Fits: Masport 25 mm diameter Cushion Cut blade bosses as fitted to many Masport domestic lawn mower models fitted with engines that have a 25mm diameter crankshaft.
  
• Product Line Notes: Use with our BLH6029 blade boss (for Cushion Cut) applications.
  
• Replaces OEM: 503363
  

• Universal

• Fits: A universal multi-fit steel woodruff key 3/16" x 5/8" suitable for use in many varied outdoor power equipment applications.
  
• 
  
• Width: 3/16", 4.76 mm
  
• Height: 1/4", 6.35 mm
  
• Diameter: 5/8", 15.875 mm
  
• 
  
• Standard Pack Quantity: 10
  
• Please Note: For a universal multi-fit woodruff key assortment grab kit containing 5 qty of this woodruff key and 250 popular woodruff keys in total, order our part number KEY3054.
  

Copyright © Roy Gripske & Sons Pty. Ltd. 2013~2026. All Rights Reserved.