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 5925-00-400-9625
NSN 5999-01-607-4605
NSN 6320-01-631-7828
NSN 6320-00-174-1362
NSN 6145-01-283-3647
NSN 2925-01-087-9290
NSN 2925-00-961-2117
NSN 5855-01-134-7106
NSN 5915-00-279-2973
NSN 6150-00-974-9261
NSN 5945-00-682-9759
NSN 5835-00-507-3561