One end is slotted in the middle of tube
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 5935-01-012-8087
NSN 5855-01-498-4949
NSN 7035-01-213-5590
NSN 6110-00-806-5459
NSN 5990-01-529-7307
NSN 5905-01-354-8905
NSN 6240-00-787-8329
NSN 5960-01-292-0027
NSN 6220-01-502-9451
NSN 5945-01-572-2180
NSN 5999-00-364-0769
NSN 6145-01-146-7407