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 5999-01-642-0018
NSN 2925-00-134-4827
NSN 5920-01-140-1120
NSN 5925-01-206-9991
NSN 7035-00-756-4374
NSN 5835-01-268-1924
NSN 6135-01-069-2482
NSN 6645-01-292-9778
NSN 6130-00-531-6564
NSN 5998-01-047-2051
NSN 6145-00-471-3975
NSN 6320-01-157-9076