Comparison : Item # HTN-60, CGA-296 Handtight Nut for Industrial Oxygen Mixtures
Item # HTN-56, CGA-300 Handtight Nut for Ethyl Chlorides (R160) Formerly Commercial Acetylene
Item # HTN-56P, CGA-300 Handtight Nut for Ethyl Chlorides (R160) Formerly Commercial Acetylene
Item # HTN-61, CGA-320 Handtight Nut for Carbon Dioxide
Item # HTN-61P, CGA-320 Handtight Nut for Carbon Dioxide