An item solid or split into halves, having a threaded or unthreaded hole for the purpose of connecting or retaining a pipe, tube, or hose fitting. The face of the flange may be smooth, grooved, or serrated and may be drilled for connecting bolts or studs. If the item is unthreaded, the pipe or tube may be retained by welding, brazing, compression, or the like. Excludes flange, pipe, blind; ferrule, grooved clamp coupling; and adapter (as modified).
Classification: Flanges of iron or nonalloy steel
NSN 4140-00-519-2781
NSN 6650-01-578-8176
NSN 5935-00-614-0107
NSN 5915-01-610-3266
NSN 5925-00-759-0925
NSN 5996-00-104-5607
NSN 6650-01-454-6878
NSN 6105-01-430-0127
NSN 6105-00-563-0494
NSN 5925-00-181-9785
NSN 5835-01-584-8538
NSN 6220-01-355-0012