Flanges conform toasa 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 4140-01-645-8082
NSN 5990-00-444-9993
NSN 5985-01-634-0635
NSN 5910-00-637-2609
NSN 4140-00-788-6098
NSN 5930-01-387-9967
NSN 6105-00-731-7384
NSN 5950-01-089-1646
NSN 5910-00-445-5140
NSN 6135-01-461-2915
NSN 6645-00-149-1100
NSN 5930-00-271-2382