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 6130-01-324-1834
NSN 5985-01-656-1227
NSN 6220-00-352-6476
NSN 5945-01-608-1739
NSN 5895-01-217-5962
NSN 5975-00-035-6524
NSN 5930-01-481-1109
NSN 5835-00-997-4680
NSN 7035-01-333-9298
NSN 6620-00-104-5677
NSN 5925-01-143-2453
NSN 6110-01-396-9561