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 5945-01-658-3651
NSN 5915-01-463-7047
NSN 2925-01-086-5507
NSN 6650-01-570-4795
NSN 5999-00-729-5112
NSN 5985-01-328-1750
NSN 5895-00-113-4647
NSN 6145-01-332-9171
NSN 5835-01-435-4139
NSN 5996-01-285-4478
NSN 5930-01-480-2473
NSN 6220-01-060-1096