1-1/2 inch spud.
A short coupling of nonferrous metal flanged at one end and with iron pipe threads extending from the other end to the base of the flange. It is generally used to join a water closet bowl to the flushing water supply and is usually supplied with locknut and washer.
NSN 6130-00-319-0796
NSN 6620-00-542-1579
NSN 6130-01-373-8469
NSN 5990-00-067-6791
NSN 6320-00-004-9158
NSN 5996-00-557-8902
NSN 6320-01-495-0512
NSN 5998-00-010-9398
NSN 6320-00-908-6841
NSN 5835-01-141-8823
NSN 6620-00-522-4815
NSN 5935-01-474-8856