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 5835-01-510-1873
NSN 7035-00-135-4758
NSN 5996-01-237-4501
NSN 6650-00-818-2741
NSN 6110-01-158-8008
NSN 5975-01-113-9037
NSN 5930-01-188-2892
NSN 6610-00-137-0351
NSN 6110-01-411-6000
NSN 5960-01-097-6817
NSN 5990-00-483-6623
NSN 6110-01-521-6796