MIL-H-5606A, MILITARY SPECIFICATION: OIL, HYDRAULIC;, AIRCRAFT, PETROLEUM BASE (27-FEB-1957) [SUPERSEDING MIL-O-5606] [S/S BY MIL-PRF-5606H]

MIL-H-5606A, MILITARY SPECIFICATION: OIL, HYDRAULIC;, AIRCRAFT, PETROLEUM BASE (27-FEB-1957) [SUPERSEDING MIL-O-5606] [S/S BY MIL-PRF-5606H]., This specification covers the general requirements for petroleum base hydraulic oil. This oil is identified by NATO symbol H-515.