DIN 982 > DIN EN ISO 7040

Old norm DIN 982 Prevailing torque type hexagon nuts with nonmetallic insert
Current norm: DIN EN ISO 7040 Prevailing torque type hexagon nuts (with non-metallic insert), style 1 - Property classes 5, 8 and 10
Current release: 1998-02
Changes: nominal sizes M7, M18, M22 cancelled
nominal sizes M3, M4, M30 and M36 assimilated
wrench size for M10 changed from 17 to 16
wrench size for M12 changed from 19 to 18
wrench size for M14 changed from 22 to 21
height of the nuts decreased
class 12 cancelled
Comment: besides wrench size interchangeable