Machined groove in flared end to accommodate seal ring per kc103
A fitting that forms an angle of less that 180 degrees (3.141 radians) from a straight flow. One connecting end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and designed to accommodate a tube. The other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It may have side or heel inlet(s). It is designed to connect a tube or tube fitting to a boss or boss fitting on items such as tanks, housings, valve fittings, or the like.
Classification: Threaded elbows and bends of iron or steel (other than cast iron or stainless steel) for pipes and tubes
NSN 5990-01-235-8404
NSN 5835-00-407-6820
NSN 5930-00-889-3526
NSN 5945-01-652-1575
NSN 5999-01-502-7101
NSN 5999-01-547-5292
NSN 6650-00-111-1081
NSN 5996-00-560-0931
NSN 5915-01-029-4920
NSN 5935-00-211-9061
NSN 5990-01-118-8624
NSN 5985-01-542-7372