1 Female National Pipe Thread x 1-1 1/2 Male British Standard Pipe TaperedThe 1 Female National Pipe Thread x 1 1 1 2 Male British Standard Pipe Tapered Straight Adapter is a pipe fitting designed to transition between a female NPT thread and a male BSPT thread. It provides a secure and leak resistant connection in fluid and gas transfer systems. Specification Value TYPE FNPT x MBSPT Straight Adapter DESIGN Straight design for direct, in line connections between different piping systems MATERIAL Steel for durability and