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 5965-01-095-9767
NSN 6110-00-596-9124
NSN 6685-00-851-0515
NSN 6110-01-499-7990
NSN 5998-01-433-6675
NSN 6320-00-261-9136
NSN 5930-01-387-7784
NSN 5905-01-482-0149
NSN 5925-01-364-9184
NSN 6645-01-510-3496
NSN 5965-01-367-9357
NSN 5990-00-970-2171