A fitting that forms an angle of less than 180 degrees (3.141 radians) from the straight flow. It has a flange connection on one end designed to connect with another flange connection, or a compression type mounting pad. The other end has external and/or internal machine threads (straight threads other than pipe or hose series), and is designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It may have side and/or heel inlet(s).
Classification: Flanges of iron or nonalloy steel
NSN 6135-01-223-3869
NSN 6685-01-398-9807
NSN 4140-01-400-3610
NSN 5905-00-703-1902
NSN 5985-00-942-1154
NSN 6645-01-025-1002
NSN 6150-00-368-9711
NSN 6240-00-740-8901
NSN 4140-01-444-2083
NSN 6145-00-577-3505
NSN 5975-01-428-6574
NSN 5930-01-336-0637