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: Threaded elbows and bends of iron or steel (other than cast iron or stainless steel) for pipes and tubes
NSN 6135-00-497-0491
NSN 6620-00-172-9222
NSN 6220-00-562-1657
NSN 5925-00-262-5651
NSN 2925-01-363-5978
NSN 6645-01-256-6376
NSN 6150-01-563-2345
NSN 4140-00-593-8425
NSN 5950-00-778-8652
NSN 6110-00-994-4616
NSN 6105-00-651-4868
NSN 6145-00-350-9285