FIELD: mechanical engineering.
SUBSTANCE: device comprises at least two mating parts to be joined, at least one fastening member having shaped section for wrench, and locking member for fastening member made of two parts. The parts form air-hydraulic passage. One of the parts is provided with a socket for fastening member. The first part of the locking member is mating to the shaped section of the fastening member, and the second one has outer surface. The parts of the locking member are rigidly interconnected. The shaped section of the fastening member and first part of the locking members which is mating to it are interconnected for permitting pre-tension.
EFFECT: enhanced reliability.
8 cl, 12 dwg
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