Boss contains 0.375-16 unc thd hole through one wall
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 5975-00-197-2048
NSN 5998-01-107-3417
NSN 6110-01-510-9585
NSN 6135-01-020-1967
NSN 4140-01-311-4769
NSN 7035-01-509-1959
NSN 6110-01-535-0664
NSN 5945-00-764-7039
NSN 5920-01-393-9804
NSN 5935-00-890-0935
NSN 5960-01-368-5874
NSN 5975-00-191-2884