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 5990-01-221-6361
NSN 7035-00-270-5519
NSN 5835-00-269-2232
NSN 6320-00-573-8034
NSN 5960-01-472-5263
NSN 6145-01-569-8927
NSN 4140-01-528-6681
NSN 5965-01-007-9757
NSN 6240-01-206-7882
NSN 5905-01-028-3549
NSN 5998-00-882-8838
NSN 5925-01-103-1883