45 Degree Adapter, 1/4 in. Male Pipe x 1/4 in. NPSM Pipe Swivel 45°  Hydraulic, Water


The National Pipe Straight Mechnical (NPSM) female fitting has a straight thread and an inverted 30° seat. The male fitting has a straight thread and a 30° internal chamfer. The seal takes place by compression of the seat on the chamfer. 

The threads hold the connection mechanically. A properly chamfered NPTF male will also seal with the NPSM female.


See pipe sizing chart and photos. 1/4 pipe thread measures larger than 1/4"

1503-04-04 -- 1/4" NPTF x 1/4" NPSM 45°  

High pressure steel with anti-corrosive coating.