3 slots equally spaced 120 degrees apart on boss end
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 6110-01-362-8191
NSN 6130-01-144-5481
NSN 5950-01-018-3073
NSN 5996-01-107-8474
NSN 5985-01-646-0858
NSN 5960-01-350-4288
NSN 6650-01-231-9545
NSN 5985-00-843-5050
NSN 5998-01-034-4108
NSN 5999-00-419-0693
NSN 5925-01-103-8322
NSN 7035-00-865-9105