The hub pilot wheels use one nut to hold both wheels on. Budd wheels have an outer nut to hold the outside wheel on and the inner stud nut to hold the inside nut on. The Budds also had right hand and left hand threads. The stud nuts will have an L stamped into the end.
Definition(s) Flammable Gas. Substance that exists exclusively in the gaseous state at normal atmospheric pressure and temperature and is capable of igniting and burning when mixed with air (oxygen) in the proper proportion and subjected to a source of ignition.
Toxic Gas Definition - Toxic gases (or noxious gases) are gases that are harmful to living things. They can easily build up in confined working spaces... Toxic Gas Definition - Toxic gases (or noxious gases) are gases that are harmful to living things. They can easily build up in confined working spaces when the production process uses noxious gases. It may also result in the biological chemical breakdown of a substance that is being stored in a tank.