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 5975-00-300-0731
NSN 6620-01-652-4349
NSN 5950-00-940-8912
NSN 5930-01-425-5538
NSN 6130-00-752-2584
NSN 6150-00-944-8327
NSN 5950-00-577-4336
NSN 5915-01-245-3403
NSN 6110-01-427-3671
NSN 6110-00-445-4909
NSN 4140-01-065-1884
NSN 5985-00-833-9393