NA 131

DIN Standards Committee Aerospace

DIN EN 3709 [CURRENT] references following documents:

Document number Edition Title
ISO 1174-2 1996-12 Assembly tools for screws and nuts - Driving squares - Part 2: Driving squares for power socket tools More 
ISO 4095 1998-03 Aerospace - Bihexagonal drives - Wrenching configuration - Metric series More