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 5950-01-098-5281
NSN 5930-01-356-6016
NSN 6145-01-538-5838
NSN 6150-01-606-5854
NSN 5930-00-613-5534
NSN 6105-01-131-9422
NSN 6105-01-117-0870
NSN 5895-01-571-9047
NSN 5920-01-323-2209
NSN 5920-01-243-4377
NSN 6145-01-423-9430
NSN 5915-01-233-9651