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 5920-01-497-2352
NSN 6320-01-390-5385
NSN 6685-01-634-0611
NSN 6130-00-205-1714
NSN 6110-01-354-5534
NSN 5945-00-655-4444
NSN 5835-01-075-8473
NSN 6130-00-473-2270
NSN 5985-01-554-6026
NSN 6685-00-451-2672
NSN 4140-01-377-5828
NSN 5965-01-215-0993