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 5935-00-797-1319
NSN 5920-01-460-8492
NSN 5990-01-304-7597
NSN 5935-01-490-0229
NSN 5945-00-862-3448
NSN 6620-00-905-6590
NSN 5915-01-154-1495
NSN 6145-00-553-8196
NSN 6130-01-504-0971
NSN 6135-00-816-9052
NSN 5975-01-026-2427
NSN 4140-01-476-7343