NGSS-FNS4-8
316 SS, NG Series Needle Valve, Integral Bonnet, 1/4 Female NPT, PTFE Packing, 3000psig(207bar), -65°F to 450°F(-54°C to 232°C), 0.25" Orifice
NGHSS-FNS4-8
316 SS, NGH Series Needle Valve, Integral Bonnet, 1/4 Female NPT, PTFE Packing, 5000psig(345bar), -65°F to 450°F(-54°C to 232°C), 0.25" Orifice