Searched product:
Brand: OMRON
Part number: F3STGRNSMC2110
Name: SAFETY INTERLOCK SW, DPST/SPST, 24VDC
Price: 228.65 USD
Supplier country: USA

Found product:
Brand: SKF 
Part number: MB21 -SKF Lock Washer - 105x126x1.75mm
Name: MB21 -SKF Lock Washer - 105x126x1.75mm
Price: 10.95 USD

Same real-world product (1 = yes, 0 = no): 0