Flanges conform toasa 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 4140-01-386-1447
NSN 6650-01-381-3299
NSN 6320-01-185-3857
NSN 5930-01-475-1443
NSN 6150-00-013-5613
NSN 6145-00-115-1845
NSN 4140-00-492-2468
NSN 6135-01-551-0562
NSN 6320-00-343-1798
NSN 5835-01-178-4154
NSN 6110-01-030-1264
NSN 6645-01-531-8233