Hydraulic Fluid Petroleum Base Aircraft Missile and Ordnance (OM-15) NATO CODE H-515 Specification: MIL-PRF-5606H Amdt-3 or DEF STAN 91-48 2 or Latest Packing 1 US Quarts = 1 can 24 cans in single Carton. Note: Cans of 29 gauge metal coated red made of electrolytic tin plate of type-1 can round open top (hermetically sealed when filled)