Vibrant Male NPT to Female BSP Adapter Fitting 1/8in NPT x 1/8in BSPVibrant Performance BSP to NPT adapter fittings assist in plumbing your fluid delivery system. These British Standard Pipe to National Pipe Thread fittings are precision manufactured from quality aluminum and anodized to resist corrosion. NPT to BSP Adapter Fitting; Male To Female; 0. 125 in. NPT; 0. 125 in. BSP; 6061 Aluminum; Black Anodized;