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 6145-01-273-4634
NSN 5910-01-014-1742
NSN 6645-00-226-2270
NSN 4140-01-191-9282
NSN 5975-01-023-1777
NSN 6645-01-324-2002
NSN 5915-01-461-3959
NSN 7035-00-946-2642
NSN 6220-00-409-3163
NSN 6320-01-082-2459
NSN 6150-01-400-3427
NSN 5998-01-393-2370