BSF 44-0.5/M18 BSF 44-0.5/M20 BSF 44-1/14.5/NPT BSF 44-1/M18 BSF 6-6-0.5 BSF 8-8-0.5/14.5/NPT BSF 8-8-0.5/M20 BSF 8-8-1/14.5/NPT BSF 8-8-1/M18 BSF 8-8-2/M20