Threads metric
A fitting that forms an angle of less than 180 degrees (3.141 radians) from a straight flow. Both connecting ends have 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 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 5996-01-058-8227
NSN 5999-01-081-1928
NSN 6135-01-608-3470
NSN 5895-01-581-9070
NSN 6150-01-185-8410
NSN 5996-01-650-5762
NSN 5910-01-153-2651
NSN 5985-00-752-0995
NSN 5999-01-621-0096
NSN 5930-01-392-0850
NSN 6145-01-571-3436
NSN 5985-00-001-4546