Carbon Steel 6" Flange with National Pipe Tapered (NPT) Threads_NH x NPT Aluminum components are hardcoat anodized

Aluminum components are hardcoat anodized per MIL-A-8625 Type III

Aluminum 1 1/2 inch National Hose (NH/NST) Quarter Turn Forestry Coupling

Drafts down to 2" from the bottom

Compatible part number - DFP25F25S

Threaded ends color may vary silver or gold

Carbon Steel 6" Flange with National Pipe Tapered (NPT) Threads_NH x NPT Aluminum components are hardcoat anodizedNational 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,