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 5935-01-581-2081
NSN 6620-01-138-8250
NSN 6135-00-900-2139
NSN 2925-01-474-3363
NSN 5985-01-659-3282
NSN 6150-01-659-8772
NSN 5965-01-659-9477
NSN 6135-01-643-5809
NSN 5910-01-462-0401
NSN 5895-01-359-8704
NSN 6610-01-429-7267
NSN 6645-01-381-0656