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 5996-01-360-7116
NSN 5910-00-074-1311
NSN 5935-01-136-8234
NSN 5999-01-644-1696
NSN 6145-01-258-9201
NSN 5975-01-449-2196
NSN 5960-01-564-5044
NSN 6685-01-587-2942
NSN 5999-01-334-4404
NSN 4140-01-257-6571
NSN 5835-01-132-5894
NSN 6130-01-361-4111