another vote of confidence for that vendor.
i also don't see a real problem with brass if this is just a drain spigot. you're not talking about a lot of contact time, and a minute amount of lead.
if it bothers you, use Palmer's guide for removing surface lead and you'll be fine.
Primary: English Mild
On tap: Pale Ale, Lancelot's Wheat, English Brown Ale, Steam Beer, HoovNuts IPA
Bottled: MOAM, Braggot, Raspberry Melomel, Merlot, Apfelwein, Pyment, Sweet mead, Cabernet
Gal in 2009: 27, Gal in 2010: 34, Gal in 2011: 13, Gal in 2012: 10