A fitting that forms an angle of less than 180 degrees (3.141 radians) from the straight flow. The boss connections have external and/or internal machine threads (straight threads other than pipe or hose series), and are 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 join two bosses or boss fittings on items such as tanks, housings, valve fittings, and the like. Excludes elbow, tube.
Classification: Aluminum tube or pipe fittings (couplings,elbows sleeves)
NSN 6145-01-246-7506
NSN 6135-01-329-7994
NSN 4140-00-907-0775
NSN 5996-01-600-8077
NSN 5975-01-394-5281
NSN 5855-01-325-3380
NSN 6645-00-527-7258
NSN 6110-01-202-2981
NSN 5835-01-111-9838
NSN 2925-01-497-4287
NSN 5935-01-014-6466
NSN 5915-01-158-4553