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 4140-01-290-4026
NSN 5925-01-021-9200
NSN 6110-00-187-4537
NSN 5960-01-077-9600
NSN 6240-01-401-5340
NSN 5910-01-642-0467
NSN 5960-00-833-7438
NSN 6240-01-366-2948
NSN 5935-00-785-6171
NSN 6220-01-249-8380
NSN 5998-01-521-2970
NSN 6220-00-139-9138