M24-1.5 Extra Fine Thread Hex Jam Nut ~ 0.5d High DIN 439B, Class 04, Plain Finish (no rust protection)
NCL759-500
https://www.fastenermart.com/mm5/graphics/00000001/DIN439B.gif
62.16
756.41
2
62.16
20.00
pcs
756.41
325.00
pcs

DIN 439 B Specifications