Carbon Steel 3" Flange with National Pipe Tapered (NPT) Male Threads_NPSH Wrench is stamped 2

Wrench is stamped 2

Equivalent part number - FM25NYFD15T

NH threads are used by most fire departments and fire trucks

Compatible part number - SF25F15T

Carbon Steel 3" Flange with National Pipe Tapered (NPT) Male Threads_NPSH Wrench is stamped 2National Pipe Tapered (NPT) Carbon Steel Flange. ASA Forged Flanges have raised shoulder with no raised face. National Pipe Tapered is common in plumbing and some industrial uses. Sometimes referred to as pipe thread because PVC pipe and schedule 40 pipe are typically threaded in NPT. ANSI was originally formed in 1918, when five engineering societies and three government agencies founded the American Engineering Standards Committee (AESC). In 1928,