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 5998-01-170-4352
NSN 5905-01-146-9192
NSN 5915-01-111-4018
NSN 6620-01-503-6576
NSN 6320-00-908-6841
NSN 5905-01-089-8723
NSN 5960-01-462-1864
NSN 5998-01-067-8323
NSN 6150-00-205-6775
NSN 6110-01-381-1269
NSN 4140-01-340-8711
NSN 6220-01-461-9643