A lot of people have been asking about this so I though I would pass it along.
MAC 33A-AAB-RDNA-0BA=7712 VLV
^^ Modification number.
(3-way/2-position inline body, M3 metric ports, normally closed body function, wired for 6v DC, 4 watt service, designed for 200psig maximum pressure, 18" coil lead wires, no manual override, flying leads electrical connection).
^^ Price per unit (no volume discount).