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 2925-01-350-0200
NSN 6685-01-658-3831
NSN 4140-00-975-5070
NSN 5960-01-304-0416
NSN 5998-01-544-3664
NSN 5895-00-051-8347
NSN 2925-01-577-0004
NSN 6645-01-322-3124
NSN 5985-01-654-1791
NSN 6220-00-343-0182
NSN 6110-01-593-8570
NSN 6130-01-163-4220