Nut-Lock

Mic for Model Number alw410daw

Answer Hello Mic, Flat side down. 

Hurmand for Model Number lwa50aw

Answer Hello Hurmand. If you turn the nut 40016301 with the flat side down, it screws onto the shaft counterclockwise. Hope this helps. 

Hurmand for Model Number lwa50aw

Answer Hello Hurmand. Yes, 40016301 and 40016301 are the same part. You have the correct nut, based on the information. Hope this helps. 

Hurmand for Model Number lwa50aw

Answer Hello Hurmand. No, based on the information you provided, 40016301 is the correct lock nut, and is the one you received. Hope this helps. 

Hurmand for Model Number lwa50aw

Answer Hello Hurmand. Yes, you can order the spanner wrench TJ90TB123A to remove the nut 40016301. Hope this helps. 

Hurmand for Model Number LWA50AW

Answer Hello Hurmand. The lock nut 40016301 the threaded onto the shaft. Turn it clockwise to remove the lock nut. Hope this helps.