M8 Spring Washer suitable as an alternative for part numbers:
C520 Exercise Cycle - 5552 - 5552-08
X720 Cross Trainer - 5574 - 5574-11
X730 Cross Trainer - 5575 - 5575-11
XC530 2in1 Cycle Cross Trainer - 5677 - 5677-11
Aspire 2in1 Cycle Cross Trainer - 52041 - 52041-47
Aspire Cycle - 53051 - 53051-53
T102 Treadmill - 51040 - YKF10097B6
T201 Treadmill - 51041 - YKF10097B6
X101 Cross Trainer - 52008 - YKF10192B6
X102 Cross Trainer - 52014 - YKF10192B6
X201 Cross Trainer - 52009 - YKF10192B6
X202 Cross Trainer - 52010 - YKF10192B6
C101 Exercise Cycle - 53012 - YKF10192B6
X101 Cross Trainer - 52008 - YKF10192N1
X201 Cross Trainer - 52009 - YKF10192N1
X202 Cross Trainer - 52010 - YKF10192N1
Inspiration Cross Trainer - 52015 - YKF10192N1
C102 Exercise Cycle - 53013 - YKF10192N1
Inspiration Exercise Cycle - 53019 - YKF10192N1
X301 Cross Trainer - 52011 - YKF10245B6
X302 Cross Trainer - 52012 - YKF10245B6
C301 Exercise Cycle - 53016 - YKF10245B6
X301 Cross Trainer - 52011 - YKF10245N1
X302 Cross Trainer - 52012 - YKF10245N1