PNST 234-2017 Aviation equipment. Hydraulic system. Equal flange tees and transitive branches bulkhead on side for tube connections on internal cone 24°
GOST 13977-1974 Tube connections on external cone. Specifications
PNST 234-2017 history
2017PNST 234-2017 Aviation equipment. Hydraulic system. Equal flange tees and transitive branches bulkhead on side for tube connections on internal cone 24°