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 6150-00-629-6865
NSN 2925-01-022-8332
NSN 6610-00-004-2879
NSN 6650-00-113-7698
NSN 6610-00-527-8892
NSN 6110-01-086-3688
NSN 7035-01-090-3369
NSN 6650-01-269-3845
NSN 5996-01-131-8861
NSN 5975-01-251-7567
NSN 5895-00-779-8460
NSN 6150-01-574-3490