Mansfield Genuine 123-5033 300 series 11 7/8" overall length stem. The packaging will include the stem assembly, metal O-ring, and two graphite packings. The thin graphite packing will be used for a left hand threaded packing nut. The thick graphite packing will be used with the right hand threaded packing nut. This stem will be used for the Mansfield 300 series faucet.
