RSF 76-0.5M/14.5/NPT RSF 76-0.5M W/LN/CS11648 RSF 76-0.4M/14.5/NPT RSF 76-0.3M/14.75/NPT RSF 76-0.3M/14.5/NPT RSF 70M-622/3F RSF 70M-622/1F RSF 6B6-3M/14.5/NPT W/LN RSF 6B6-2M/14.5/NPT RSF 6B6-1M/14.5/NPT