Profile: Allan Aircraft Supply Co. manufactures hydraulic fittings. We specialize in design, development and manufacturing of fittings for the nuclear & petrochemical industries, food processing and cryogenic applications. We work with titanium, monel and hastelloy materials. We are an ISO 9001:2000 certified company. Our fittings include ring seal fittings, swivel nut fittings, weld ends, industrial pipe fittings, machine flares and straight thread adapters.