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 5985-00-361-8863
NSN 5975-00-234-7516
NSN 6620-00-118-1983
NSN 6320-01-643-0850
NSN 4140-01-385-8478
NSN 5999-00-367-3738
NSN 6105-01-566-9343
NSN 6610-01-646-9101
NSN 6145-00-331-6814
NSN 5998-01-595-7445
NSN 6685-01-184-0746
NSN 5895-01-467-2659