Self-lock. ring nut M25x1.5 Z

Listed on the following equipment:
Technogym - Abdominal - M883
Technogym - Abdominal Crunch - M957
Technogym - Arm Curl - M992
Technogym - Arm Extension - M945
Technogym - Chest Incline - M965
Technogym - Chest Press - M970 - Grey - (SN M97010100055 - Below)
Technogym - Chest Press - M970 - Grey - (SN M97010100055 - Up)
Technogym - Element + Line - MB50 Leg Press - Ver. 1 (Before SN MB5013100318)
Technogym - Element + Line - MB50 Leg Press - Ver. 2 (After SN MB5013100317)
Technogym - Element Low Row M980
Technogym - Element Lower Back M958
Technogym - Excite - Synchro 700 (D4573L)
Technogym - Forma Line - Cross Forma D75
Technogym - Leg Curl - M810
Technogym - Leg Curl M990 Series
Technogym - Leg Extension - M891
Technogym - Leg Extension M991
Technogym - M917 Adductor
Technogym - M971 - Vertical Traction
Technogym - New Recline Excite Visio
Technogym - RE1 New Recline 700 New Seat - DAD (DAD33W)
Technogym - RE1 New Recline 700 Old Seat - DAD (DAD33W)
Technogym - Selection - M836 - Rev. 1
Technogym - Selection Rotary Calf (M815)
Technogym - SY3 Synchro 500 - D4553L
Technogym - Top 700 - D4773L - 2.0 (S/N D4773L08000161-Below)
Technogym - Top 700 - D4773L - 2.0 (S/N D4773L08000162-D4773L08000362)
Technogym - TOP Upper Body Trainer - DA7 (DA773W)
Technogym - Vario 700 DAF73L

* Images may not be identical to part.