Carbon Steel 5" Flange with National Pipe Tapered (NPT) Pick One Side_4 1/2 Inch 9 threads per inch and

9 threads per inch and male 1 1/2 inch NH

Made in USA

Meets National Fire Equipment System (NFES #0710)

Equivalent part number - FM1525F

Wrench is stamped 2

Carbon Steel 5" Flange with National Pipe Tapered (NPT) Pick One Side_4 1/2 Inch 9 threads per inch andNational 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,