The Brass Fitting BSP Adaptor Male 1/4 Female 3/8 AMF1438 is a type of brass pipe fitting designed for connecting pipes or tubes with different diameters. This specific fitting has a male 1/4 inch BSP (British Standard Pipe) thread on one end and a female 3/8 inch BSP thread on the other end.
The male 1/4 inch BSP thread has an outer diameter of approximately 13.16mm (0.518 inches) and a pitch of 19 threads per inch, while the female 3/8 inch BSP thread has an outer diameter of approximately 16.66mm (0.656 inches) and a pitch of 19 threads per inch.
The AMF1438 fitting is made of brass, which is a durable and corrosion-resistant material that is commonly used in plumbing and other fluid-handling applications. This fitting is suitable for use with a variety of liquids and gases, including water, oil, and air.
The 1/4"×3/8" designation in the fitting's name refers to the size of the pipe or tube that can be connected to each end of the fitting. The 1/4 inch end can be used with a pipe or tube that has an outer diameter of approximately 6.35mm (0.25 inches), while the 3/8 inch end can be used with a pipe or tube that has an outer diameter of approximately 9.53mm (0.375 inches).