37 degrees surface shall be free of anodize and alodined per mil-c-5541, class 1a
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 6320-00-343-1798
NSN 6240-01-050-9156
NSN 6110-00-124-8940
NSN 6650-01-338-3823
NSN 6645-01-448-8375
NSN 6110-01-340-4124
NSN 5855-01-394-3688
NSN 5990-01-341-5735
NSN 5835-00-807-5632
NSN 6135-01-366-9633
NSN 5930-00-383-9513
NSN 5950-01-634-0677