Harris Two Stage Ultra High Purity Brass Barstock Regulator Model 721-250-540-D - 721250540D Cross Country Lincoln OEM SPACER T6996-14 -

Lincoln OEM SPACER T6996-14 - 9ST6996-14

while 9SL12378-2 is the orderable Lincoln SKU

Part Number EDS30776 AWS Classification AWS A5

The only difference is diameter (3/32 in) and package format (1 lb tube)

and then using this tool to spread the gap to the desired width

Harris Two Stage Ultra High Purity Brass Barstock Regulator Model 721-250-540-D - 721250540D Cross Country Lincoln OEM SPACER T6996-14 -Harris Two Stage Ultra High Purity Brass Barstock Regulator Model 721 250 540 D 721250540D Model HP721 is a Single Stage Cylinder Regulator in Brass Barstock for pressure control of non corrosive gases when pressure rise is not critical. The Model 721 is suitable for High Purity gas applications, research sample systems gases, process analyzer gases, gas chromatography, EPA protocol gases, laser gas systems and emission monitoring systems. Features 1