SS-CM-FL4-ST7-HG
316 SS, FITOK 6D Series Tube Fitting, Male Connector, 1/4" O.D. × 7/16-20 Male SAE/MS(ST), Hydrogen Application & Europe EC79 Compliant (if you need EC79 Certificate, replace -HG with -EC79)
SS-CM-FL4-ST9-HG
316 SS, FITOK 6D Series Tube Fitting, Male Connector, 1/4" O.D. × 9/16-18 Male SAE/MS, Hydrogen & EC79 Compliant
SS-CM-FL4-SH12-HG
316 SS, FITOK 6D Series Tube Fitting, Male Connector, 1/4" O.D. × 3/4-16 Heavy-duty Male SAE/MS Straight Thread(SH), Hydrogen & EC79 Compliant
SS-CM-FL4-NS8-HG
316 SS, FITOK 6D Series Tube Fitting, Male Connector, 1/4" O.D. × 1/2 Male NPT, Hydrogen Compliant & Comply to EU EC79 Test Standard (if you need EC79 Approval, replace -HG with -EC79)