A-A-50474 Oilers, Hand, TypewriterThis CID covers the requirements for typewriter hand oilers. The oiler shall be of cold-rolled steel. The oiler shall consist essentially of a body, a washer, a threaded removable spout, and a spout cover or spout cap. Shape of the oiler shall be style 1, oval; style 2, cylindrical; or style 3, hemispherical, as specified in the contract or order.