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 6240-00-155-5817
NSN 6610-01-140-3634
NSN 5895-01-534-7798
NSN 6650-00-273-8732
NSN 6645-01-432-0052
NSN 6240-00-727-8573
NSN 6620-01-169-9470
NSN 5910-01-196-1869
NSN 5930-00-615-7222
NSN 6145-01-157-3488
NSN 6620-00-740-3699
NSN 2925-01-442-4171