Flanges conform to asa standard b16.5
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 5855-01-125-9167
NSN 6110-00-925-0480
NSN 5835-00-644-4512
NSN 5996-01-149-8835
NSN 5915-01-174-8995
NSN 5895-01-508-4893
NSN 5905-00-891-1682
NSN 4140-01-437-2871
NSN 5998-01-047-6663
NSN 5935-01-029-2760
NSN 6110-01-202-8009
NSN 6620-01-319-9804