Connections for hydraulic fluid power and general use -- Ports and stud ends with ISO 261 metric threads and O-ring sealing -- Part 1: Ports with truncated housing for O-ring seal— 12 стр.
Connections for general use and fluid power -- Ports and stud ends with ISO 228-1 threads with elastomeric or metal-to-metal sealing -- Part 1: Threaded ports— 14 стр.
Hydraulic fluid power - General rules and safety requirements for systems and their components (ISO 4413:2010); German version EN ISO 4413:2010— 57 стр.