Draft standard DIN 4000-3, Publication date: 1993-06 Tabular layouts of article characteristics for washers and rings

Standard DIN 70852, Publication date: 1977-06 Groove nuts securing by locking plates

Draft standard DIN 70852, Publication date: 1988-03 Groove nuts securing by locking plates

Standard DIN 70852, Publication date: 1989-06 Groove nuts; dimensions

FTZ 51 AB 2, Publication date: 1991-03 Groove nuts; dimensions