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 4140-00-243-6664
NSN 5975-01-432-1989
NSN 5996-00-925-0173
NSN 6645-01-276-5086
NSN 6610-01-361-9988
NSN 5965-01-005-0341
NSN 6130-00-344-7334
NSN 6110-01-543-2864
NSN 7035-00-727-4068
NSN 6240-01-555-8365
NSN 6105-00-740-7757
NSN 6320-00-643-0958