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 5950-01-412-2598
NSN 6320-01-397-9995
NSN 5960-01-128-0850
NSN 6610-01-189-3001
NSN 6220-00-061-4140
NSN 6130-01-612-1013
NSN 6105-00-161-8070
NSN 5985-01-441-5786
NSN 5920-00-355-4735
NSN 5855-00-483-0020
NSN 5996-01-105-7385
NSN 5910-01-137-1121