WELD END FITTING STYLES Welding Nipple Style B Male NPT Nipple Style N Hex Male NPT Nipple Style H Female NPT Union Style U Female NPT Nipple Style F Female 37° JIC Style J RFSO Flange Style R Weld Neck Flange Style W Plate Flange Style P Vanstone Flange Style V Welded Cam Lock Female Coupler Style D Welded Cam Lock Male Plug Style A