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 5990-00-931-4032
NSN 6650-01-458-5872
NSN 5935-01-113-0771
NSN 5835-01-580-0446
NSN 5950-01-512-6069
NSN 2925-01-346-9522
NSN 4140-01-541-0303
NSN 5985-01-420-6536
NSN 5930-01-081-7431
NSN 6620-00-286-5721
NSN 5910-01-185-7182
NSN 5915-00-269-2748