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 6110-00-338-9015
NSN 5910-00-266-0920
NSN 5985-00-343-3632
NSN 6135-01-009-9135
NSN 6610-00-682-6215
NSN 5975-00-402-6429
NSN 5925-00-114-2253
NSN 6685-01-614-7437
NSN 5999-01-574-5823
NSN 6240-01-133-5950
NSN 5999-01-614-4106
NSN 5935-01-461-5030