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 6650-01-014-5990
NSN 6320-01-454-1965
NSN 5975-01-281-8347
NSN 7035-00-753-0695
NSN 5915-01-467-6769
NSN 6105-01-388-1115
NSN 6110-00-418-9363
NSN 6145-00-432-4840
NSN 5975-01-415-5611
NSN 5910-01-231-6773
NSN 5975-00-040-2363
NSN 6105-01-451-8031