NMFC 41042 - Containers, Liquefied Helium; Doublewall, Vacuum Insulated; In Boxes Or Crates Or Tendered As Specified In Note, Item 41043

NOTE-Helium containers may also be shipped loose as follows: (1) When container exceeds 30 liters in capacity but does not exceed 100 liters capacity. (2) When container exceeds 100 liters capacity, container must be equipped with a base which will prevent rolling if container is laid on its side. When base is equipped with wheels, container must rest on two wheels and on immovable legs, skids or pad during transit. (3) When not constructed as described in paragraph (2), above, container body must be protected with a sleeve of solid fiberboard 1/4 inch or thicker or with material of equal or greater strength. Fiberboard may be laminated to form closely fitted vertical segments held together with a layer of fiberboard to facilitate forming around container body. (4) Valves, gauges and venting devices must not project above protective cage.