For salt water use
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: Copper alloy tube or pipe fittings
NSN 6145-01-031-9512
NSN 5960-01-156-7469
NSN 5945-00-262-2968
NSN 5965-00-698-0433
NSN 6145-01-067-8619
NSN 5905-01-206-7163
NSN 5935-00-935-5769
NSN 5910-01-435-8233
NSN 6110-01-599-1917
NSN 6645-01-437-7770
NSN 6240-00-806-4554
NSN 7035-01-297-9806