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 5945-01-377-5085
NSN 2925-01-085-0691
NSN 6320-00-937-5625
NSN 6220-01-151-4240
NSN 2925-00-464-7892
NSN 5920-01-333-6133
NSN 6110-00-879-0810
NSN 6685-01-529-5406
NSN 6650-01-549-0341
NSN 6645-01-259-7142
NSN 5960-00-950-0526
NSN 6610-00-008-4075