Pipe threads are british standard pipe - parallel (bspp); has 19.0 mm hex shaped nut for tightening fitting
A fitting that forms an angle of less than 180 degrees (3.142 radians) from the straight flow. One connecting end has standard pipe threads, or is unthreaded and designed to accommodate a pipe. The other end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube, or is unthreaded and designed to accommodate a tube. It may have side or heel inlet(s). See also elbow, pipe; elbow, tube; and connector, multiple, fluid pressure line.
Classification: Threaded elbows and bends of iron or steel (other than cast iron or stainless steel) for pipes and tubes
NSN 5999-00-118-4867
NSN 6130-00-403-1439
NSN 5915-01-429-9287
NSN 5998-01-571-3897
NSN 5930-01-502-7156
NSN 6130-00-954-0103
NSN 5996-00-448-1245
NSN 6220-01-600-5625
NSN 6645-01-054-4423
NSN 6105-01-141-6912
NSN 5920-01-119-9216
NSN 5905-01-299-5572