NS-1-NPT-F Faster NS-Sleeve 25 16 1 6 Sleeve 220 NPT female-thread ANSI B1.20.3 1 Steel 140 NS-1-GAS-F Faster NS-Sleeve 25 16 1 6 Sleeve 220 BSP female-thread ISO 1179-1 1 Steel 140 NS-12-GAS-F Faster NS-Sleeve 12 08 1/2 3 Sleeve 200 BSP female-thread ISO 1179-1 1/2 Steel 50 NS-12-NPT-F Faster NS-Sleeve 12 08 1/2 3 Sleeve 200 NPT female-thread ANSI B1.20.3 1/2 Steel 50 NS-14-GAS-F Faster NS-Sleeve 06 04 1/4 1 Sleeve 250 BSP female-thread ISO 1179-1 1/4 Steel 15 NS-14-NPT-F Faster NS-Sleeve 06 04 1/4 1 Sleeve 250 NPT female-thread ANSI B1.20.3 1/4 Steel 15 NS-34-GAS-F Faster NS-Sleeve 20 12 3/4 4 Sleeve 170 BSP female-thread ISO 1179-1 3/4 Steel 80 NS-34-NPT-F Faster NS-Sleeve 20 12 3/4 4 Sleeve 170 NPT female-thread ANSI B1.20.3 3/4 Steel 80 NS-38-NPT-F Faster NS-Sleeve 10 06 3/8 2 Sleeve 250 NPT female-thread ANSI B1.20.3 3/8 Steel 30 NS-38-GAS-F Faster NS-Sleeve 10 06 3/8 2 Sleeve 250 BSP female-thread ISO 1179-1 3/8 Steel 30