Bolt holes on face side counterbored to 1.531 in. By 0.031 in. Deep
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 6320-00-004-9158
NSN 5910-00-523-9510
NSN 2925-01-106-3552
NSN 5835-01-107-8600
NSN 2925-00-144-3314
NSN 5998-00-262-1694
NSN 5985-01-028-2221
NSN 6150-01-065-9345
NSN 6240-01-521-2921
NSN 6620-01-362-4276
NSN 2925-01-519-3221
NSN 4140-01-469-6140