MIL-V-19067A, MILITARY SPECIFICATION: VALVES, CHECK, CONTROLLABLE, HYDRAULIC, AIRCRAFT, TYPE II SYSTEMS (30-APR-1957)

MIL-V-19067A, MILITARY SPECIFICATION: VALVES, CHECK, CONTROLLABLE, HYDRAULIC, AIRCRAFT, TYPE II SYSTEMS (30-APR-1957)., This specification covers hydraulic controllable check valves for use in Type II aircraft hydraulic systems conforming to and as defined in Specification MIL-H-5440. The complete specification for these valves consists of Specification MIL-H-8775 which covers general requirements common to all aircraft hydraulic components, and this specification which includes additional requirements specifically applicable to such controllable check valves.