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 6130-00-392-1992
NSN 6645-01-620-4837
NSN 4140-00-684-7314
NSN 6240-01-033-5680
NSN 6610-01-659-3277
NSN 5985-00-008-5002
NSN 6650-00-068-2208
NSN 6220-00-258-2967
NSN 5990-01-136-4068
NSN 4140-01-559-3065
NSN 5855-01-197-2774
NSN 5925-00-137-6582