M20-1.5 Extra Fine Thread All Metal Prevailing Torque Hex Lock Nut DIN 980V, Class 8, Zinc Yellow Plated
NKJ743-500
https://www.fastenermart.com/mm5/graphics/00000001/DIN980V.gif
64.8
970.02
2
64.8
15.00
pcs
970.02
300.00
pcs

DIN 980 V Specifications