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 6645-01-052-4069
NSN 6240-01-256-9869
NSN 6650-01-168-1659
NSN 5920-01-457-4653
NSN 5905-01-020-7683
NSN 6135-01-622-0029
NSN 5905-01-495-0988
NSN 5975-01-441-1632
NSN 5945-00-409-2302
NSN 6610-00-526-4394
NSN 6150-01-334-5218
NSN 5975-01-084-2093